This allows Customer Service Reps and Agents to make changes via ARD and CM to a Customer's travel plans without collecting additional payment for the fare difference .This is issued anytime SODA is declared.

This is an EMD used when selling ancillary product such as Early Bird. This must have an active PNR.

This document is used when selling ancillary product such as a Pet Carrier. No active PNR is required.

This is an Amadeus product for shopping fares. Similar to QPX but includes the front-end components that are used by the e-commerce engine.

This refers to the Flight Aircraft, Status and schedule information in CS2

Flight cancel message, stops bookings on a flight.

This defines the type of the passenger in a PNR, such as INF for infants and ADT for adults.

This term refers to taking an e-ticket coupon from the flight where it was issued and using it on another flight, without any change to the flights or fares on the ticket.

This process takes the value of a ticket and applies it to a new ticket. This is used when the number of segments need to be decreased or increased due to the change.

This refers to updating a flight coupon with new flight details and can only be used when the number of segments remain the same.

This is a document that contains pricing information for a miscellaneous documents.

This is a record containing pricing information related to a PNR, such as fare and prices.

What does ATC stand for?

Revenues gained from the selling service attributes

This acts as a clearinghouse for airline fares . It is a collection and global distribution of fare and fare related data that is sent to reservation systems such as Sabre, Amadeus and Galileo International.

These are the number of bookings/reservation that are permitted to be booked on a certain flight and date in a given fare class.

The condition where total bookings decrease through time during the booking cycle. Occurs when cancelled reservations are not replaced by new bookings.

The carrier/airline whose aircraft operates the flight.

A tax charged by a city for use of airport facilities. This tax is normally $4.50. No more than 2 PFCs can be charged for a one-way itinerary(or 4 

This is a Marketing name for bundle of Amadeus applications such as ARD, Inventory and DCS/CM