接受邀請的英語感謝信

dear xx,
    xx,long time no see you .how are you ?
    i have received your invitation letter. thank you for inviting me to have the dinner in your house. i'm glad that you have still thought of me for a long time. and don't worry and i'll go there in time.
    thanks so much again.
    best wishes to you .
    yours sincerely
    xxx