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 Can I change my visit time or date after my original visit time or date via Booking Portal? How do I access Booking Portal? Can I contact you via Live Chat? Is there a fee for changing the date/time of my tickets on Booking Portal? What if I'm running late for my time slot?