Write a letter to invite your friends to join a celebration function

Write a letter to invite your friends to join a celebration function. In your letter to your friend, you
Explain the reasons to hold it.
What you want your friends to do
Clarify date and whereabouts


Dear Mike,

I hope this letter finds you well. I haven't heard from you for six months, and how is everything going? As we have graduated from the university for almost ten years ago, I think we should hold a celebration in our university next month, as we discussed last time.

I remember that you were looking forward to meeting our classmates again and I think this is a best chance to good opportunity for a reunion. I suggest that we should go back to the university and throw a party there on July 30, when because we left school graduated on that date ten years ago. As I have already contacted the school, and we can rent [1] a classroom for one day to hold a party. Can you help me to invite all the students in your class? As the students in my class were very close to yours, they will be happy to see you guys there.

We can discuss more details after your confirmation because I need to know how many people will need to be catered. I can't wait to hear from you.

Yours truly
Peter

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[1] To "rent" something means to pay money for its use.  This seems unlikely for a classroom being provided to graduates.  If money is not required, you can say, "we can use a classroom for one day."

You may not have sufficiently addressed the points in the task.  

Your teacher may think that "July 30" does not clarify the date of the reunion.  Perhaps you can say "on the evening of July 30".

Your teacher may think that "a classroom" does not clarify its whereabouts.  Perhaps you can say "our old English classroom in the Tom Sawyer building".

Your teacher may also think that "can you help me to invite all the students in your class" does not adequately specify what you want your friends to do.  Perhaps you can say, "can you provide me with a list of the names and contact details of all the students in your class"?