Domains: Travel_15, Hotels_15, Flights_35

user: I would like to visit a shopping district.

system: In which area?

user: Preferably in London, UK.

system: Borough Market is a shopping area.

user: Is it free?

system: No, it is not.

user: OK, I need to find two rooms in a 1 star hotel.

system: There are 10 options. 45 Park Lane is a 1 star hotel.

user: That sounds good.

system: Would you like a reservation?

user: Not right now. I do want a round trip flight from San Francisco to Londo.

system: When do you want to travel?

user: I want to fly out on the 1st of this month and return on the 12th of March.

system: I have 1 flight on American Airlines. The flight leaves at 5 am and returns at 2 am. The ticket cost is $788.

user: Ok, that is fine.

system: Can I help you with anything else?

user: No, that is all.

system: Have a nice day.