Question: What is the name of this airline based in Cincinnati, Ohio, in which DeKalb-Peachtree Airport has airline service to Cincinnati?
Sentence (from "DeKalb–Peachtree Airport"): DeKalb–Peachtree Airport (IATA: PDK, ICAO: KPDK, FAA LID: PDK) is a county owned, public use airport in DeKalb County, Georgia, United States.
Relevant evidence: Yes