I require a pro-forma invoice to complete payment for my booking? If you require a pro-forma invoice, please complete a form here and a member of our support team will be in contact in regards to your request. Related articles I require a VAT Receipt for my school or group booking? Already booked a school trip, but have a question? How do I contact your Customer Services team? How do I contact you about a school booking? How do I make a card payment for my school/group booking?