I've booked my 241 from EDI-LHR-SIN and will be looking to book my return inbound next week - by booking online and then phoning up to "voucher" the ticket.
If I book the first appropriate date and then better return dates crop up later on, how do I change the ticket? Do I have to phone Japan at 1am when the better seats become available. I'm looking for 4 seats in J which don't come up every day?
Is there any hassle doing this or is it straightforward?