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 the date/time of my booking? How do I access Booking Portal? How do I contact you with a guest enquiry? Can I change my visit time or date after my original visit time or date via Booking Portal? I would like to cancel my booking.