Nestack Agent Care
Industries / Travel & Hospitality / Check-in agent

Travel & Hospitality AI agent · Check-in

Front-Desk & Digital Check-In AI Agent

Prepare the arrival from the record, keep the specific accessible room blocked out of general stock, and hold the key, the identity check and any walk for the front office.

4–6 weeksTypical delivery
Your stackDeployment
Blocked roomsDesk releases
Agent CareAfter launch

What this agent does

Prepares the arrival, never releases the room

In
01

Arrival records, folios, room blocks and identity rules, ingested from supported PMS and kiosk sources.

02

Room blocks first: the specific room held for a guest who needs it stays out of general stock.

Reason
03

Feature detail rather than a room-type label, so a guest can judge a room against their own needs.

04

Arrival steps prepared from the record — documents, payment state, preferences and any note on file.

05

Identity and payment checks run as configured rules, with the outcome recorded rather than judged.

Decide
06

Safety and welfare signals raised to a named person on shift rather than answered by the agent.

07

The prepared check-in held for the front office, which releases the key and the room.

Out
08

A retained trail: the arrival, the block, the flags, the desk's amendments and who released it.

09

Write actions executed only inside the approval boundaries agreed during implementation.

Product statement

The agent prepares the arrival; the front office decides who gets which room and who gets a key, and the property answers for both.

Example workflow

One arrival, record to key

AgentHuman
1Arrival dueReservation, web check-in, kiosk session or walk-in at the desk
2Record assembledFolio, preferences, accessibility needs, payment state and the room blocked for the stay
3Arrival preparedArrival steps, the room blocked, confidence
4Controls appliedAccessible-inventory holds, identity rules, disclosure limits and confidence threshold
No human action required

Stages 1 to 4 run unaided, and no key is issued at any of them — the agent is preparing, and the front office's lane opens at the confidence gate.

5DecisionBranches at the confidence threshold
High confidence

Goes to the front office to approve.

Low confidence

Adds a duty-manager read first.

Front-office approval

The arrival is held with the block behind it, its flagged lines and the confidence.

Approve · Amend · Send to the front-office manager
Approved — the desk completes it
6Property systems updatedOnly where write access and approval policy allow it
7Outcome evaluatedAssignment corrections, flagged-line outcomes, room moves and post-arrival amendments
Amendments

Every desk amendment is counted in the evaluation.

What should not run autonomously

Human approval stays in control

Outside the boundary — human approval required8 items
Reassigning a room held for a guest who needs it.
Walking an arriving guest to another property.
Releasing a key, or granting access to a room.
Capturing a face or voice template at the desk.
Automation boundaryAgent acts unaided
Assemble the arrival, the folio and the room blocked for it into the review queue.
Check that the specific room is still out of general stock.
Prepare the arrival steps and the documents the desk needs.
Raise a safety signal to a named person on shift, and log it for the named owner.
Any write happens inside the boundaries agreed at implementation, never ahead of approval.
Overriding an identity or verification check.
Refusing a guest, or ejecting one from a room.
Answering a request for a guest's room number.
Changes to inventory, identity or approval rules.

Example output

One arrival, annotated

Everything the agent prepares is attached to the reservation it was drawn from.

Check-in output · single arrivalIllustrative example
Arrival
Prepared line
Folio on file
Source of record
Confidence
Attribution
Three-night stay
The one accessible room blocked for this guest, held as that room
$486.00
Reservation record
92%
Property name and arrival policy
As receivedTaken from the reservation and the room block on file — nothing on this side is written by the agent.
Source records used Reservation record Accessible-room block Property arrival policy
Why this wordingIt names the one room held for this guest, not a room type and a person still decides.
ActionApproveAmendSend to the front-office manager
What the score decidesBelow the configured threshold the arrival picks up a duty-manager read before the desk sees it.

Value

Where AI adds value

The same four claims, placed at the point in the workflow where each one applies.

Where the value landsValue 01 – 04
Every arrivalFrom the reservation
03Preparing

Prepare from the record

Draw on the folio, the room blocked for the stay and the rules configured for the property.

01Approved path

Accessible stock is not stock

Routine arrivals reach the desk already prepared and already checked.

02Human review

Send review to the risky arrivals

Flagged assignments and raised signals are put in front of a named person, so the desk's read starts where risk concentrates.

04Build an evidence trail

The check-in, the room held for it and the colleague who released the key stay on the folio.

Integrations

Typical integrations

Five system groups connect to the same agent. Which of them are in scope is decided in discovery.

Property managementOpera Cloud · Infor HMS
Mews · Cloudbeds · Apaleo
Doors and keysAssa Abloy · Salto
Dormakaba · mobile key
Guest channelsKiosk · web check-in
Messaging and app surfaces

Agent

Front desk and check-in

Reads the arrival
Prepares the steps
Holds for the desk

Folios and paymentsAdyen · Elavon
Folio and point of sale
Observability & evaluationOpenTelemetry · Langfuse
Supported monitoring/evaluation sources

Integration availability depends on the client's existing systems and API access.

Agent controls

Six layers between the model and the key

Each layer contains the next. What gets past the set is listed in the map below.

L6 · Outermost — last line of defenceInward → L1 · closest to the model
L6Rollback / safe modeReduce the agent to desk queueing when evaluation or production signals degrade.Roll back
L5Version monitoringTrack model, prompt, inventory-rule and identity-configuration changes.Track
L4TraceabilityRecord the reservation, the block, the steps, the flags and the release time.Record
L3Front-office releaseHold arrivals for the named front office; it governs release, not whether an approved arrival is right.Gate
L2Policy guardrailsTest arrivals against configured inventory, identity and disclosure rules; a failure returns the arrival.Restrict
L1Confidence thresholdsRoute low-confidence arrivals to a duty-manager read before the desk sees them.Require review
Model coreArrival prepared — steps, the room blocked for it, flagged lines and confidence
L1 – L2Test whether an arrival may stand
L3Puts the release in the front office's hands
L4 – L5Keep the assignment and the hold behind it
L6Reduces to desk queueing when signals degrade

How Nestack evaluates it

Evaluate the arrival workflow — not only the moment at the desk.

Coverage runs the whole depth of the workflow, and every layer is cut by slice.

Surface — the room the guest is given
Depth of coverage ▼
E1Final-output evaluationDid the room blocked for the guest stay blocked as that room?
E2Step-level evaluationDid the agent use the right folio, block and property rules?
E3Tool evaluationDid it read and write the correct reservation and the correct room?
E4Confidence calibrationDo low-confidence arrivals actually attract more desk amendments?
E5Slice evaluationHow does performance change across specific arrival types?
E6Business outcomeHow many arrivals needed a desk amendment or a room move afterwards?
Floor — the stay the property answers for

Failure modes

Where each failure originates in the agent

Seven ways an arrival goes wrong, by stage.

Agent lifecycleDirection of processing →
01 · Retrieval1 mode
CK-03

Stale inventory read

A room is read as free from a list the property has moved past.

Stage gathersArrivals, folios, room blocks and identity rules
02 · Reasoning2 modes
CK-04

Accessible room as stock

A blocked room is counted back into the sellable pool.

CK-06

Signal raised, none worked

An alert reaches the board with no one named to work it.

Stage proposesArrival steps, the room blocked and confidence
03 · Tool / write2 modes
CK-02

Room moved to fill a night

A guest who needs that room is walked to fill an oversell.

CK-05

Identity check waved through

A verification step is skipped because the arrival looked routine.

Stage writesOnly where write access and approval policy allow it
04 · Output1 mode
CK-01

Room number disclosed

A caller who was not authenticated is told where a guest is.

Stage returnsThe arrival the desk completes and
05 · Change / Version1 mode
CK-07

Silent inventory-rule regression

A model or rule change widens what the agent will reassign.

Stage tracksModel, prompt, inventory rules and identity config
Sev-1 · an accessible room released Sev-2 · a wrong assignment reaches a guest Sev-3 · source degrades, arrival routes to review

Affected slices

One room type can carry the whole rate

The guests under-counted here are the ones who asked for an accessible room and were told the property would sort it at the desk. A small share of arrivals, a large share of the failures.

Slice performance — reported separately, not only in aggregateIllustrative example
SliceFailure rateLift Lift vs. thresholdStatus
Accessible-room arrivals6.7%3.6× Review
Sold-out nights5.2%2.8× Review
Late and walk-in arrivals2.6%1.4× Watch
Standard direct arrivals1.7%0.9× Normal
Bar: desk-amendment-rate lift vs. standard-arrival baseline · scale 0–4.0× · tick marks the 2.0× review threshold 2 of 4 slices over threshold

Evidence-linked improvement

Every cycle ends by adding a test

Nothing closes because it was understood. It closes when the next release has to pass a case, and that suite is what the next arrival is measured against.

Improvement cycle · five stagesSwitchback — the path turns at Improve and returns at Learn
01Detect

Desk-amendment rate rises in an arrival slice.

02Diagnose

Read the arrivals and the blocks behind them together, and keep reading until the cause narrows to one.

03Improve

Changes ship against a version with the arrivals that caused them.

04Verify

A failing case blocks release until it clears.

05Learn

The case is permanent, and the inventory rules move with it.

Learn → DetectThe return edge. Detection next time runs against a suite one case longer.

Typical build scope

Twelve workstreams across six weeks

The build scope read against the delivery timeline. Week structure follows the six-week plan — discovery, sources, arrival workflow, evaluation, integration, then production validation and handover.

Workstream Week 1Week 2Week 3Week 4Week 5Week 6
01Arrival workflow discovery and boundary definition.
02Property-management source assessment.
03Accessible-inventory and identity rule mapping per brand.
04Arrival-record ingestion and normalisation.
05Assignment logic and hold binding.
06Confidence scoring and flag routing.
07Front-office approval workflow.
08Property-management integration.
09Accessible-inventory cases.
10Guardrails and identity controls.
11Arrival-trail instrumentation.
12Deployment, documentation and Agent Care handover.
12 workstreams · 6 weeks · bar shows the weeks a workstream is active — several run in parallel Final scope and sequence confirmed in discovery

Engagement tiers

What each tier includes

Rows are the capabilities named in each tier's scope. Higher tiers include everything below them.

Capability✓ in scope · — not at this tier PilotOne property, one desk ProductionProduction property systems AdvancedMultiple properties / brands
Introduced at Pilot
Preparing to your rooms and rules
Front-office release
Assignment-accuracy baseline
Introduced at Production
Reporting by room type
Approval workflow in your systems
Approved write-back
Property-management integration
Introduced at Advanced
Multi-brand inventory rules
Multi-stage front-office approvals
High arrival volume
Multi-property arrival controls
Build price From $5,000 From $8,000 Custom quote
Final build priceConfirmed after discovery based on integrations, workflow complexity, arrival volume, approval controls and deployment requirements.
Separate from buildBuild pricing is separate from recurring Agent Care, which covers managed monitoring, evaluations, incidents and verified improvements after launch.

What we need from you

What you bring, and what we build with it

Each input maps to a piece of build scope and a week in the delivery timeline.

You bringWe build with it
01Your room types and how blocks are held Arrival-record ingestion and block mappingWeek 1
02Arrivals that went wrong at the desk Preparation baseline, assignment logic and hold bindingWeek 2
03Your identity rules and disclosure limits Accessible-inventory and identity rule mappingWeek 1
04Access to relevant APIs, feeds or exports PMS, kiosk and door-system assessment, then integration setupWeek 2
05Assignments you would not want made Inventory cases and failure-mode testingWeek 4
06What a check-in may never reassign Confidence scoring, flag routing, guardrails and release controlsWeek 3
07Named front-office staff to release arrivals Front-office approval workflow, then pilot and production validationWeeks 5–6
Nothing else is required Deployment, documentation and Agent Care handover are ours.

Delivery timeline

Four phases across six weeks

Each band covers the weeks it genuinely occupies, so the fifth week holds two kinds of work.

Phase W1W2W3W4W5W6
Discovery W1
Build W2 – W3
Evaluate W4 – W5
Pilot & Launch W5 – W6
Week focus W1Arrival workflow discovery, inventory mapping and the automation boundary W2Source integration and the preparation baseline W3Arrival workflow, confidence logic and release controls W4Accessible-inventory cases, held-act guardrails and failure-mode testing W5Property-system integration, pilot arrivals and targeted corrections W6One arrival cycle run under the front office, then Agent Care handover
Reading the bandA bar covers the weeks its work is named in, and nothing else. The week 5 overlap is real, not padding.
At the end of W6Live arrivals close the validation and monitoring moves to Agent Care.
DurationSix-week plan shown · typical delivery 4–6 weeks depending on scope confirmed in discovery.

Next step · Travel & Hospitality AI agent

Build a check-in agent that treats accessible stock as something else.

An accessible room reserved for a guest who needs it is blocked and guaranteed as that specific room, so it cannot be walked, upgraded away or handed to a late arrival. If you show us your arrivals board, your room blocks and who releases a key, we will map the workflow and name what stays with the front office.

Nestack Agents · Front desk and check-inAGT-TH-07 · Agent Care available after launch