Letixur40 I booked a seat that is unchangable and not refundable. However, I want to upgrade my seat from cochette to sleeping. Is it possible to do like that?
SvenjaV Good morning. I recommend you to contact my colleagues by telephone to check this: Tel. 0848 44 66 88 (CHF 0.08/min.) from abroad at +41 51 225 78 00. I wish you a pleasant day. Regards SvenjaV