Query: user: Can you help me buy flight tickets to San Fran on economy.
assistant: When do you want the return to leave?
user: Around 14:45 please
assistant: When will you be leaving?
user: On the 1st of this month
assistant: Do you have any preffered airlines?
user: I want to fly American Airlines.
assistant: When do you want to leave and when are you coming back?
user: I want to leave around half past 1 in the afternoon and get back on March 14th
assistant: Where are you going?
user: I want to go to ATL.

Intent: Flights:ReserveRoundtripFlights