# Modify Bookings

Divide or cancel bookings.

## Update Traveler Information

 - [PUT /air/book/traveler/reservationworkbench/{ReservationResource_Identifier}/travelers/updatefromtravelerupdateditems/{id}](https://developer.travelport.com/apis/flights/modify-traveler-details/updatefromtravelerupdateditems.md): The Traveler Update request follows an Updatable Items request and makes a change to one or more items returned in that Updatable Items response. Sent as part of a workbench session, either during the initial booking workflow (workbench not committed, PNR not issued yet) or a post-commit workbench for an existing PNR. It is followed by a workbench commit.

## Traveler Updatable Items

 - [POST /air/book/updateableitem/reservationworkbench/{ReservationResource_Identifier}/travelerupdatableitems/buildfromtraveler](https://developer.travelport.com/apis/flights/modify-traveler-details/buildfromtraveler.md): The Updatable Items request retrieves by traveler ID a list of objects that are updatable for that traveler, and returns for each an indicator for whether that item can be added, modified, or deleted.

## Reservation Divide

 - [POST /air/book/reservation/reservations/divide](https://developer.travelport.com/apis/flights/modify-bookings/divide.md): Use this operation to divide a reservation when any of the party needs to cancel or travel on alternative flights

## Reservation Cancel

 - [POST /air/receipt/reservations/{ReservationResource_Identifier}/receipts](https://developer.travelport.com/apis/flights/modify-bookings/cancelreservation.md): Create a set of offer cancellation receipts for every offer in the reservation.

## Update Traveler Information

 - [PUT /air/book/traveler/reservationworkbench/{ReservationResource_Identifier}/travelers/updatefromtravelerupdateditems/{id}](https://developer.travelport.com/apis/flights/modify-bookings/updatefromtravelerupdateditems.md): The Traveler Update request follows an Updatable Items request and makes a change to one or more items returned in that Updatable Items response. Sent as part of a workbench session, either during the initial booking workflow (workbench not committed, PNR not issued yet) or a post-commit workbench for an existing PNR. It is followed by a workbench commit.

## Traveler Updatable Items

 - [POST /air/book/updateableitem/reservationworkbench/{ReservationResource_Identifier}/travelerupdatableitems/buildfromtraveler](https://developer.travelport.com/apis/flights/modify-bookings/buildfromtraveler.md): The Updatable Items request retrieves by traveler ID a list of objects that are updatable for that traveler, and returns for each an indicator for whether that item can be added, modified, or deleted.

## Reservation Cancel

 - [POST /air/receipt/reservations/{ReservationResource_Identifier}/receipts](https://developer.travelport.com/apis/flights/ndc-modify-cancel-exchange/cancelreservation.md): Create a set of offer cancellation receipts for every offer in the reservation.