How to write short messages and ask leaders to help fight for benefits?

Short messages should be concise and respectful. It can be written as follows: Dear leader, I have to give you trouble again. Now I want to ask you to help me win a position (or interest) in a certain field. Thank you.

(1) How to send emergency business messages to leaders?

Dear leader, I am deeply sorry to disturb your rest. Please forgive me for being forced by the situation:+If you want to write ... Finally, please say: Sorry to disturb your rest again.

(2) How to write an invitation message to the leader?

Address: The reason (for example, tomorrow is my wedding day) is that I hope the leader can take time out of his busy schedule to attend my wedding (the work notes are just instructions and so on).