I have been prevented from travelling and have given my ticket away. Does it cost anything to change the details on my booking? No, it does not cost anything to change passengers on your booking. This can be done right up until departure. Related articles Can I change my ticket? Can I cancel my reservation? Can tickets for KOMBARDO EXPRESSEN be refunded? Why do I need to register my details when travelling with KOMBARDO EXPRESSEN's buses, which sail with Molslinjen? We are a group who have booked tickets together, and now one of us needs to change their ticket. Can we change one ticket while the others in the group travel together as planned?