Can I amend my tickets to an earlier time or date on Booking Portal? No - your tickets can only be amended to a date or time that is later than your original booked date or time. Related articles How do I access Booking Portal? How do I contact you with a guest enquiry? Can I change the date/time of my booking? I've booked the wrong tickets, what do I do? Is there a maximum number of times I can amend the date/time of my tickets on Booking Portal?