Confirmation de réservation (spectacle)

Dear Sir, This letter is to confirm my booking for two seats for the (...) show (or concert) that takes place in London July 4th at (théâtre). You will find enclosed (somme) (or You will receive in no delay an international money order of ...). Thank you to inform me as soon as possible that you have received this mail and money order, and send me the tickets or let me know how I can get them when I arrive in London. Yours sincerely