Dear XXX
Have your empoly come back from trip now?
(请问您的员工旅行回来了吗?)
It's been 2 weeks since last email.
(自从上封email之后已经过了2周了)
Please kindly let me know if you need any further information .
(如果您需要进一步的资讯请让我知道)
I need to report the progress to my boss.
(我需要向我的老板回报进度)
Best Regards
XXX