I am trying to organize an event to raise money for charity, and I need a banquet hall.?

I am looking for something in the Dayton or Cincinnati area or anywhere in between in OH. Also I am hoping to find a hall that would be willing to donate their services to us, or allow us to give them a small donation in return for their services. I know this is asking a lot, but the less my team spends, the more we can donate to cancer......