Can I amend my tickets to an earlier time or date on Booking Portal? No - your tickets can only be amended to a date or time that is later than your original booked date or time. Related articles Can I change the date/time of my booking? How do I contact you with a guest enquiry? What is Booking Portal and how do i access it? I would like to cancel my booking. When I login to edit my time and date for the other attractions I have booked in my combination ticket it says ’there are no packages left to book’ what do I do?