i'm going to leave philadelphia and i want to go to san francisco and i want to fly first class american and i want a stop in dallas can you please tell me what type of aircraft you will be flying
O O O O B-fromloc.city_name O O O O O O B-toloc.city_name I-toloc.city_name O O O O O B-class_type I-class_type B-airline_name O O O O O O B-stoploc.city_name O O O O O O O O O O O O O