HX

Symbol

 * 1) The IATA airline code for.

Etymology
From the GDS code that shows on the booking against the affected segment.

Pronunciation
The letters are pronounced individually.

Verb

 * 1)  (of an airline) to have an airline booking cancelled by the airline.
 * Hurry and issue the ticket or the airline will HX the reservation.
 * The airline oversold and they have HXed the passenger's booking.