英语作文：假定你是李华，你的英国朋友jack发来电子邮件说他准备到你所在的城市来旅游，但你有事不能接...

Dear Jack,
I'm sorry that i can't meet you .because i have something to do ,it is very significant for me +(The Reason).So I hope you can come to my city next time ,of course ,if you want to.
Say Sorry to you again.
Have a good trip!
Yours,
LiHua

Dear Jack,
Hello,Jack.I feel so sorry that i can't to meet you.And i can't take you around our city.Because.....(写个理由)。Hope u have a happy traving.