what kind of airplane goes from philadelphia to san francisco monday stopping in dallas in the afternoon first class flight
O O O O O O B-fromloc.city_name O B-toloc.city_name I-toloc.city_name B-depart_date.day_name O O B-stoploc.city_name O O B-depart_time.period_of_day B-class_type I-class_type O