How to end a short message to a leader?

I'm sorry to bother you, and then I'm XXX.

SMS mode:

1, with a title at the beginning and a signature at the end. If it is sent to teachers or leaders, please add the words "Dear General Manager" and "Dear Teacher", for example: Dear General Manager Li, "XXX" (50 words are omitted here).

2. The minimum etiquette for sending short messages in groups is to have a signature, for example, dear friends, Zhang Lin. ?

3. Briefly explain what you want to tell him: If you need to communicate with the leader at work, you must explain it clearly and simply, and don't add too much description, whether it is text message or phone call.