What should your appointment request letter include? I am writing to request an appointment with you at your earliest convenience.Manage meeting requests like a pro with our indepth guide to writing the best meeting request emails. Sample Meeting Request Letter. Use the sample letter below as a guide for drafting your own meeting request to your Members of Congress. The request letter should be filed as a separate lead document. We walk you through the email appointment format, explaining the building blocks of crafting compelling subject lines and body copy. This set provides coverage of every aspect of probate law and estate and trust administration in Texas. It includes sample forms and letters. Harris Govern, a Division of Harris Computer Systems, appreciates the opportunity to provide a response.