thank you very much for your kind invitation. I would enjoy participating at the company dinner party.
Unfortunately I can't make it because of the birthday dinner of my husband at the same time.
I look forward to the you the next time.
Kind regards,
John Smith



!

You just received the following invitation but you cannot make it, so please reply.
From: N.Brown@company.com
To: John.Smith@comp.com
Subject: Our company dinner
Dear Mr. John,
As our distinguished client, we would like to invite you to our company dinner party. The dinner will be held in the Star Hotel, on Friday the 20th of March.
We are looking forward to seeing you there.
Kind regards,
Nataly Brown