How to write the leave note for business trip?

Hello, the format of the personal leave form is as follows

go on vacation

XXX (name of competent leader or competent department, etc. ):

I took XX days off for business trip from XX to XX. Please approve.

Requestor: XXX

date month year

PS: Just write down the reason, time and other necessary matters. Don't make it too complicated. The leader will sign your leave slip. Generally speaking, your company must stipulate who should take a vacation for how long, find the right person, and negotiate the treatment during the vacation.