Is there a maximum number of times I can amend the date/time of my tickets on Booking Portal? You can amend your tickets up to 3 times on Booking Portal. Related articles How do I access Booking Portal? Can I amend my tickets to an earlier time or date on Booking Portal? What is Booking Portal? Can I change my visit time or date after my original visit time or date via Booking Portal? Can I change the date/time of my booking?