I'm not sure if that's the correct terminology, but I call it Elevated Western Black Tie. To me, Western Black Tie is how you would dress if you were a cowboy or cowgirl and had to get dressed up nice for a formal event. Bolo ties, Cowboy boots, Cowboy hats all welcomed and even encouraged, but not required! I linked a my Pinterest board below to show examples:) https://pin.it/2ehhYduIn
You will either need to fly into the Chattanooga airport, Nashville Airport, or Atlanta Airport. Atlanta and Nashville are both 2 hours away from the venue, but have more hourly flights then Chattanooga.