帮忙翻译一下吧（英语的）谢谢

(Letter of Invitation)
Date : Dec 20 2009
Dear Mr Zhang Wei,Re : Invitation to Dinner PartyIn order to celebrate the 30th anniversary of UST Electronics Corporation, we are going to hold a dinner party in Holiday Inn on Dec 29, 2009.We would like to take this opportunity to show our gratitude to your support and cooperation, and invite you to the dinner party. Your presence will be an honour to us.Yours sincerely,
XXXXXXMike Kennedy
General Manager
UST Electronics Corporation RSVP

你是要用英语翻译这则要求，还是要帮你写这封英文邀请函？

Dear,I am glad to invint you for a banquet for your support and cooperation for these years.I really happy if you could attend this banquet which will be held at the time 7:00 p.m.in the Holiday Hotel.Yours,sincerlygeneral manager of the TT electronics company