エクスチェンジオーダー

noun

exchange order

A financial or travel document that allows the holder to exchange it for a ticket, voucher, or service. Used in contexts like airline tickets or hotel vouchers.

• 航こう空くう券けんのエクスチェンジオーダーを発はっ行こうしてもらった。

  I had an exchange order issued for the airline ticket.