Query: user: I'm going to be staying in London, UK. Can you help me find 1 hotel room there?
assistant: 45 Park Lane is a 5 star hotel in that city.
user: What is the phone number? Is smoking allowed inside the hotel?
assistant: The phone number is +44 20 7493 4545. Smoking is not allowed on the property.
user: Are there any other hotels in the city, maybe a 4 star hotel?
assistant: I found 10 hotels that match your criteria. Ace Hotel London is a 4 star hotel.
user: What others are there?
assistant: Amba Hotel Charing Cross is also a 4 star hotel.
user: OK, thanks. Now, can you help me look into a round trip flight to get there?
assistant: What city are you departing from? Are you leaving on March 8th?
user: I would like to leave from Washington on Monday next week.
assistant: What day would you like the return flight?
user: I would like to return on the 13th of March. I am going to need Economy class tickets.

Intent: Flights:SearchRoundtripFlights