Query: user: Find round trip Economy flights for me please.
assistant: Sure thing, but first please tell me, when would you like your return date to be?
user: No problem, Let's do the 13th of this month please.
assistant: Sounds good, Where would you like to depart from and on what date?
user: Let's shoot for LA and i'm trying to leave on the 11th of March. Make sure my tickets are refundable please.

Intent: Flights:SearchRoundtripFlights