One possible version： October 17th，2012
Dear Mr．John Smith，
It is my great honor to tell you that you have won the first prize in the Chinese Culture Contest．Congratulations!
I would like to invite you to attend the celebration party on the evening of December 10th at Friendship Hotel in Beijing．you are offered a 10-day tour in China，free of charge．If you are able to make the trip，please fill in the form we mail you with the letter．Besides，you will have to get your passport ready．We will do the rest for you．I am looking forward to your early reply．
Sincerely yours，
Li Hna
Chair
Committee of the Chinese Culture Contest
