Can I change the date/time of my booking? You can make changes to the date and time of your visit up to three times, subject to availability, through your portal. For more information on booking portal, please click here. Related articles How do I access Booking Portal? Is there a fee for changing the date/time of my tickets on Booking Portal? 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. What is Booking Portal?