Это Germanwings. Правила пероформления билетов ниже:
If you are unable to take the flight you have booked, it is possible to transfer your ticket to another person. Name changes are possible on all Germanwings flights. Name changes can be made via the Germanwings Call Centre by quoting the booking code no later than 24 hours before the start of the whole journey. There is a fee of ?35 per person and booking for a name change. If the current flight fare is higher than the fare paid at the time of the original booking, the difference in fare must be paid.

PS. Объявление о продаже билетов не мое :)