Query: user: I need to find round trip flights, can you help me.
assistant: Where are you going to go? When are you planning to leave?
user: I plan to leave 2nd of this month. I am going to Phoenix and like to travel in economy.
assistant: When do you plan to return?
user: I would like to come back on the 13th of this month.

Intent: Flights:SearchRoundtripFlights