i need a plane that arrives in san francisco by 9 o'clock pm on friday and leaves from baltimore
O O O O O O O B-toloc.city_name I-toloc.city_name B-arrive_time.time_relative B-arrive_time.time I-arrive_time.time I-arrive_time.time O B-arrive_date.day_name O O O B-fromloc.city_name