書信- 想匯報老細, 約左個客下星期去個客到工作 英文點打

Formal
Dear Mr. X,
Please note that I have spoken to Mr. Y of ABC Trading Co. Ltd. today and have arranged with him to commence work at his office from xx January 2009 for a duration of one / two week(s) / day(s). His office is situated at 7/F, XQW Centre, 123 YYY Road, Hong Kong.
During my work there I could be contacted on my mobile phone (91239123).
Thank you for your attention. Please call me if you have any queries.
Informal
Dear Mr. X,
I have called Mr. Y of ABC Trading Co. Ltd. and I shall be working in his office from xx January 2009 for one week. His addres is 7/F, XQW Centre, 123 YYY Road, Hong Kong.
Please call me at 91239123 should you need me during such period.