Domains: Flights_15, Buses_25

user: I need a one-way plane ticket.

system: Starting where?

user: Starting in NY with United Airlines preferred.

system: When and where are you traveling to?

user: I'm going to Washington on the 6th.

system: United Airlines has 1 nice flight with 0 stops leaving at 5:10 am for $72.

user: Sounds great. I want to leave the 2nd. I need Flexible tickets for 3.

system: A Flexible ticket choice is a bus leaving at 6 am for $60.

user: Make the purchase please.

system: With your permission 3 Flexible bus tickets leaving at 6 am from New York going to Washington on March 2nd will be purchased.

user: Perfect. What are the departing and arriving bus stations named?

system: The purchase was a success. The bus leaves Port Authority Station and arrives at Union Station.

user: You're the best.

system: Do you need further assistance?

user: I'm fine thanks to you.

system: Enjoy the day.