Keep in mind what it is that you hope to accomplish with your letter, and stick to the point.
Clearly make your complaint to the person(s) involved.
State plainly and directly your reason(s) for making the complaint.
Indicate what the reader can or should do to address your complaint, and specify how long you are willing to wait to have your complaint resolved. (Be reasonable.)
Explain why your suggestion or request for retribution should be granted (if you made one).
Address: 5636 Lemon Ave.
Dallas TX 75209
Phone: +1 214 5203694