寫信俾人力資源部總監關於申請兼職....請幫忙

I want to make the concurrent job to the vacation to wander abroad the group leader outside, my hotel human resources department work, the content mainly speaks because myself to have the travel group leader license plate, but every time meets the traveling busy season travel agency also to be able to look for me, wants to the company to report to a higher authority and the hope obtains the authorization to the vacation when holds concurrent jobs, (is best may speak and the main work category arrives the outside areas for the belt group, cannot and the company benefit has the conflict! The hope is approved)