第一部分：介绍自己、提出请求

Could you please … ?

Could you possibly … ?

Would it be possible to … ?

I would be grateful if you could … ?

Would you mind doing … ?

I wonder if you could spare some time to help me …

第二部分：表达谢意、期盼回复

Thank you for your attention to this matter .

I look forward to prompt response .