find me the earliest boston departure and the latest atlanta return trip so that i can be on the ground the maximum amount of time in atlanta and return to boston on the same day
O O O B-flight_mod B-fromloc.city_name O O O B-flight_mod B-fromloc.city_name O O O O O O O O O O O O O O O O B-toloc.city_name O O O B-toloc.city_name O O O B-return_date.date_relative