急！！！商务信函中让对方给我发一个邀请怎么表达阿？

英文中请求别人做某事时，口气需要婉转、柔和一些，不能像我们中文表达那样，根据你的原意思，我稍微修改了一下，不知道你觉得是否会好一些？

I may be on 3-8 January of 2008 to visit you. Would you please send an invitative letter to me?
我预计在2008年1月份的3-8号间前去拜访你。
可以请你发个邀请函给我吗？

I will probably visit you from Jan.3 to 8. Could you send me an invitation letter?

I plan to visite you on Jan03-08,2008. Could you please kindly send me an invitation letter?

I would like to visit you between the Jan.3 and Jan 8，could you send me an invitation letter ？

waiting for your reply