Query: user: I need your help in finding 1 hotel room in london, england for my next stay
assistant: you got 10 to chose from. one is 45 park lane and it's a 5 star hotel
user: I love your pick
assistant: I can book a room for you there
user: mmmm.... not now. first, I need to book a round trip flight, I'll leave on march 5th
assistant: where do you want to leave from?
user: washington
assistant: when were you thinking to be back?
user: the chosen date is the 13th of march

Intent: Flights:SearchRoundtripFlights