Flatt is the daughter of Robert and Jennifer Flatt, of Lebanon. She is a 2014 graduate of Lebanon High School and employed at First Freedom Bank.
Oakley is the son of Craig and Vickie Oakley, of Watertown. He is a 2012 graduate of Watertown High School and employed at Nissan.
The wedding will be Sept. 15 at 5 p.m. at Wild Turkey Ranch.