If a ticket has been falsely redeemed there is an 'Unredeem' option.

An open-ended ticket is another product option and allows passengers to purchase a known origin and destination combined with an unknown travel date. Once decided on a date of travel, the ticket can simply be redeemed and exchanged for a reservation.

El proceso para crear un ticket abierto es idéntico al de abrir cualquier otro producto.

This article describes the information contained in the details page on each transaction and tickets.