How do I cancel a UPS collection? Contact our Customer Service team here with your 6-digit reference number and we’ll cancel it for you. Related articles I can no longer supply the tickets I have sold and the event is within 7 days I’ve been asked to send tickets to the buyer. How do I dispatch my tickets? When do tickets come off sale? Can I change the address or date of my UPS collection Can I leave the tickets with someone else to be collected?