What should your appointment request letter include? Don't forget to include a date, time, and location for the meeting, as well as a way for attendees to confirm their attendance.Manage meeting requests like a pro with our indepth guide to writing the best meeting request emails. These emails are needed to arrange meetings and upcoming appointments with clients, managers, supervisors, or business partners. Sample Meeting Request Letter. Use the sample letter below as a guide for drafting your own meeting request to your Members of Congress. Learn what to include in a followup letter, how to write one, and example of letters that can grab the attention of hiring managers. We walk you through the email appointment format, explaining the building blocks of crafting compelling subject lines and body copy. For your convenience, we have made some common housing forms available for your use.