New York City residents can use this letter to dispute a debt, to verify a debt under NYC law, and to tell a collector to stop contacting them. For example, a good email subject line for a booking confirmation might be: "Reservation Confirmation With Sunnyside Hotel."Join us as we analyze the best confirmation email templates sample and offer several template examples that you can adjust to your needs. How to write a confirmation letter: 5 tips that will inspire and help you with your task. The forms can be filled in on the computer. Cc: (Insert Name of Company). Consumer Financial Protection Bureau. In addition to the card authorization template, we've create a suite of free contract templates that you can use for various aspects of your business. FAQ. Follow a proper letter format when you write your letter. Yes, You should be getting an acceptance letter both online and physical through the mail.