大概是
hi,Mr.xxx, I am here to report to your situation of.... This program/activity is sponsored by...Now, we have ........, and ....have been completed as well. Besides, we have.....However, there are several problems remaining. ....haven't been settled. ....need to be done before everything can be finished. That's all about the situation.
That is all. If there is anything you would like to know further, please call me back without any hestitation. My phone number is xxxx. By the way, have a wonderful day...