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? I would like to cancel my booking. Is there a fee for changing the date/time of my tickets on Booking Portal? How do I contact you with a guest enquiry? What is my time slot?