Dear (Mr./Mrs./Miss) followed by last name (Sir or Madam if you do not know the recipient’s name),
Introduce yourself and explain briefly your reason for writing in your first sentence or two.
The body of your request letter should flesh out the details of why you are writing; include the information you need, why you need it, and any deadlines. Also express your need in a way that appeals to the recipient’s desire to help. If applicable, tell the recipient how their assistance will benefit them or their business. Include your phone number and email address so that the recipient can contact you.
Close by giving your thanks for their time and consideration. Let them know that you expect to hear from them
Sign your request letter by hand in the area above your typed signature. The guidelines above will help you write a request letter that looks professional and attracts the interest of the recipient.