对不起哦 我英语很差 也帮不上忙 ···
去书店看看有许多这类翻译的书
From 1st to 3rd our company will be organizing tourism, so I'm not in the office.
I will be out of office from 1st to 3rd of this month because my company is organising a tour during this period.
I will leave my office from 1st to 3rd for travel which is organized by my company.