Flight
Nashville has an American Airline and Southwest hubs and will likely have the best flight options, but Delta is still the best. Its one terminal and line for security is typically on the shorter and more efficient side.
Hotel
There are lots of hotels in the area. Choose one you like. Its better to book sooner than later as June in Nashville is wedding/party season. If you book now, hotels will not charge until the time of your stay and you can always cancel the booking up to 48 hours before your stay. Hotels Include: JW Marriott Omni Nashville Hotel DoubleTree by Hilton Hotels Hyatt House Nashville Downtown Hampton Inns and Suites Nashville-Downtown Margaritaville Hotel Nashville Bride & Groom will be staying at the Omni Hotel.