Patent ID: 8700435

Claim:
A method comprising: receiving, by a computer based system for exchanging unused tickets, a booking for a new ticket; obtaining, by the computer based system, new ticket information from a passenger name record (PNR) associated with the new ticket, wherein the PNR is in a global distribution system (GDS); querying, by the computer based system, a centralized repository of unused tickets; retrieving, by the computer-based system, unused ticket PNRs from a plurality of GDS queues, wherein the retrieving is based on specific formats and commands of a particular GDS and a ticket number associated with the unused ticket; parsing, by the computer-based system, PNR remarks from the unused ticket PNRs to obtain ticket information related to the unused tickets; standardizing, by the computer based system, the PNR remarks to create standardized PNR remarks; receiving, by the computer based system, new price information for the new ticket, wherein the new price information is based upon the new ticket, validation rules using the standardized PNR remarks and a value of at least a portion of the unused tickets that can be applied to the price of the new ticket; updating, by the computer based system, a status of the unused ticket PNRs to indicate that the unused tickets have been used; adding, by the computer based system, the new price information to the PNR for the new ticket; and enabling, by the computer based system, the new ticket to be purchased based upon the new price information.