In this article, we discuss how to write a conformational letter, look at sample templates for formal and informal confirmation letters and share some tips. A 'deal memo' and check would suffice, which is simply a written letter which indicates what the payment is for (and any critical terms) and a cancelled check.The free sample letter to confirm payment below can be used to write your own personal letter confirming the terms of the reduced or delayed payment agreement. Your letter should be brief, positive, and businesslike. Steps. Sample Meeting Request Letter. Use the sample letter below as a guide for drafting your own meeting request to your Members of Congress. Jotform has made it easy for you to design the confirmation letter with its entertainment booking confirmation letter pdf template. Here are three good reasons to keep sending confirmation emails: They tend to land in the recipient's primary inbox. They are a reliable marketing opportunity. If you need to write a request letter and don't know where to begin, check out our handy guide below to make your letter more professional and persuasive.