Domains: Flights_13

user: I need a round trip flights

system: What is the return date? What is the destination?

user: Date of return on 11th of March; my destination si LA

system: What is the city of departure?

user: I'll leave from Washington

system: What is the departure date?

user: 8th of March

system: I found a American Airlines flight at 10 pm; the return flight at 5:20 am. The ticket costs $310

user: What is the airport of departure? Is there 1 stop?

system: Dulles International Airport. Yes, there is 1 stops.

user: Ok, it sounds good! It's all, thank you

system: Have a nice day