I've charged my customer but the flight was not successfully booked, what should I do? Simone Maillard 01 November 2021 15:10 Updated You can opt for keeping the collected amount in your Duffel balance and retry booking the flight. Alternatively, you can issue a refund to return the charge to the customer. Related articles What is the Duffel Payments CardPayment component? How do I request a payout? Who is responsible for issuing a refund? What other ways can I pay for flights other than a customer card with Duffel Payments? What is Duffel Payments?