What should your appointment request letter include? Manage meeting requests like a pro with our indepth guide to writing the best meeting request emails.An appointment letter is a formal document that a hiring manager uses to present a candidate with a job offer and outline the aspects of the role. I am writing to request an appointment with you at your earliest convenience. 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. I am writing to confirm my acceptance of your employment offer on April 20 and to tell you how delighted I am to be joining XYZ Corporation in Chicago. We walk you through the email appointment format, explaining the building blocks of crafting compelling subject lines and body copy. The majority of cold emails end up in the spam folder.