Query: user: I want to buy tickets.
assistant: For what day? What city?
user: I want an event on the 2nd in London, England.
assistant: What kind of event are you interested in?
user: I want to see the Wallows.
assistant: How many tickets?
user: I need two tickets.
assistant: Please confirm, 2 tickets for the Wallows on March 2nd in London.
user: Yes, what time does it start?
assistant: It starts at 7:30 pm
user: I'd like to find a round trip flight to get there.

Intent: Flights:SearchRoundtripFlights