英文メールの言い回し

• 間違った宛先のメールを受け取ったとき

I received the following e-mail from you last night, and
believe that you made an error in the address.

I am afraid your e-mail mistakenly got sent to the wrong
address. My name is not ...

• ミーティングの日時を調整

It would be very much appreciated if you would kindly
arrange to meet with us either on Aug 29, 30 or 31.

If none of them is convenient, could you please suggest
an alternative date?