tell me about flights on american airlines from dallas fort worth to philadelphia on june twenty ninth
O O O O O B-airline_name I-airline_name O B-fromloc.city_name I-fromloc.city_name I-fromloc.city_name O B-toloc.city_name O B-depart_date.month_name B-depart_date.day_number I-depart_date.day_number