寻找关于去春交会的邀请信,应邀信,谢绝信,要英文的..

邀请信
Dear （对方称谓）,
We found through...（网络,杂志之类的） that you may be interested to come and attend the Spring Fair due at...（时间地点）.
We are looking forward to seeing you then.
Yours Sincerely,
...(自己名字 头衔 公司)
应邀信
Dear,
Thanks for you information.I'm quite interested in the Spring Fair and I'd love to come.
I believe that I will gain a lot form the fair.
Thanks again for your information.
Yours sincerely,
.
拒绝信
dear...,
Thanks for your information.The Spring Fair is great,however,I'm regret that I couldn't attend it.For I'm otherwise engaged then.
Thanks again for your information.
Yours sincerely,
.