O	
O	
O	
O	
O	
O	
O	
O	
O	
B-fromloc.city_name	
O	
B-toloc.city_name	
I-toloc.city_name	
O	
O	
O	
O	
O	
B-stoploc.city_name	
I-stoploc.city_name	
O	
O	
O	
B-depart_date.month_name	
B-depart_date.day_number	
O	
O	
O	
O	
O	
B-fromloc.city_name	
O	
B-toloc.city_name	
I-toloc.city_name	
O	
B-depart_time.time_relative	
B-depart_time.time	
I-depart_time.time	
O	
O	
O	
B-depart_date.month_name	
B-depart_date.day_number	
O	
O	
O	
O	
O	
O	
B-fromloc.city_name	
O	
B-toloc.city_name	
I-toloc.city_name	
O	
O	
O	
O	
O	
O	
O	
O	
B-round_trip	
I-round_trip	
O	
B-fromloc.city_name	
O	
B-toloc.city_name	
I-toloc.city_name	
O	
B-depart_date.month_name	
B-depart_date.day_number	
O	
O	
O	
O	
O	
O	
O	
O	
B-fromloc.city_name	
O	
B-toloc.city_name	
I-toloc.city_name	
I-toloc.city_name	
O	
B-depart_date.month_name	
B-depart_date.day_number	
O	
B-airline_name	
I-airline_name	
O	
O	
O	
O	
O	
O	
O	
B-fromloc.city_name	
O	
B-toloc.city_name	
