I apologize for my email of confirmation for our party.
Regarding we have other event for set up the party and we should include it together.
In case of I will set up the party on " 17 July 2015".
Are you available on this day and can joint will our party?
Please confirm me for you are available and after I will inform to you about the place for set up party ka.
So you can recommence the place and the theme for our party too.