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. How can I contact your Customer Service team? Can I bring a baby to SEA LIFE London? My voucher says I can use it online - where do I enter my voucher code? How can I buy tickets for SEA LIFE London?