What happens if I can no longer make the time/day of my booking? If you have booked for the wrong date we can re-validate your tickets for you. You can complete a form here, regarding your booking amendments and a member of the support team will be in contact. Related articles I would like to cancel my booking. Do Under 3's need a ticket? Can I change the name on my booking? What is included with the Snorkelling with Sharks Experience? Can this be completed when the attraction is closed and no other guests are around?