This document provides information on creating and managing Passenger Name Records (PNRs) in the Amadeus reservation system. It defines the five mandatory PNR elements - name, itinerary, contact, ticketing, and received from. It describes how to enter data for each element, such as entering passenger names and contact details. It also covers processes for ending a transaction to save the PNR, retrieving existing PNRs, ignoring or canceling elements, and modifying a PNR. The overall purpose is to instruct users on how to properly create and manage passenger reservations and associated PNRs in Amadeus.