i need to fly from kansas city to chicago leaving next wednesday and returning the following day
O O O O O B-fromloc.city_name I-fromloc.city_name O B-toloc.city_name O B-depart_date.date_relative B-depart_date.day_name O O B-return_date.date_relative I-return_date.date_relative I-return_date.date_relative