The system offers the option to decode/convert/format/translate a PNR from the major GDS systems: Amadeus is a multi-GDS services company which distributes inventory and content to the world’s global distribution systems. Sabre GDS System provides data-rich solutions that give travel buyers and suppliers unique insights into their operations that help to manage your travel business, reducing costs and improving revenues. The Worldspan GDS system enables travel agencies and travel companies to provide comprehensive airline contents to their customers.