Airline reservations and global distribution systems create passenger name records. Airlines issue tickets. Electronic miscellaneous documents account for ancillary sales. This multitude of records, ticket numbers and reservation numbers complicates revenue accounting and can confuse travelers. The International Air Transport Association is working on a better way, which corporate buyers and travel management companies may get a look at next year.

"All of that has never been simplified," said Sebastien Touraine, head of IATA's budding One Order program. "With e-ticketing, we just automated the complexity."

One Order is a single customer order record, holding customer profile data, order . . .

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