I have just made a booking and realise that I need to make an amendment.

Yes, the booking you have made will be in real time, so if it has been confirmed, you can immediately make the amendment in your account without having to log out and log back in to your account. 

If the sailing and route you want to amend your booking for is showing as unavailable, read our FAQ to find out what this message could mean, especially during periods of disruption.