求助翻译，50分，在线等！

I have sent you Email in Aug,hoping to see you at xxx conference.the attachment of that Email is XXX,and it is really a pity that I did not get your reply,as a result ,I did not meet you at that meeting.
now I send the Email again and looking forward to your reply.

我曾在8月份给你发过一封邮件，希望在xxx大会上与您约见，邮件的附件内容是xxx，很遗憾没有收到您的回复，也并未在xxx大会上见到您。故我将这封邮件重新发送，期待您的回音。
I sent an e-mail to you this August, hoping to have an appointment with you in the conference. What the e-mail said is that...But I am extremely sorry for having not receiving your reply or seeing you in the conference. Therefore I am sending the e-mail again. I'm looking forward to hearing from you!

I sent you an email in Aug. saying that I'd like to see you in xxx meeting. That email went with an attachment of xxx. But unfortunately I didn't receive your reply and therefore didn't see you in xxx meeting. Now I'm sending you the email again and look forward to your reply.

I sent you an