请求高手文翻英语，谢谢！

Thanks for your mail. I will do my best.
I will keep Mr. Chen and Mr. Lee informed about any progress.
Have a nice trip!

或者，第二句可以为：

If there's any progress, I will inform Mr. Chen and Mr. Lee immediately.

Thanks for your Email!
I will try my best to do it, and once there is any progress, I will inform you on time.
Have a good journey.

Thank you for you mail, I will do my best, if any progress, I will contact Mr Chan and Mr Lee. Faltering!

Thanks for your mail. I will do my best.
I will keep Mr. Chen and Mr. Lee informed about any progress.
Have a nice trip!
或为：
Thanks for your mail. I will do my best.If there's any progress, I will inform Mr. Chen and Mr. Lee immediately.

Thank you for your Email.I'll try my best.If there will get on,I'll tell Mr Chen and Mr Li soon.

Mail thanked you, I will do utmost, if have any progress, I will notify Mr. Chen and Mr. Lee immediately.B