Query: user: I'm looking for a certain flight.
assistant: What city are you departing from and where are you planning to go?
user: I wish to flay with United Airlines and I need a flight from Phoenix, AZ. I would like 4 tickets to seattle.
assistant: What day are you returning and what is the date of travel?
user: I am returning on the 13th of this month and I would like to start my travel on the 7th of March.

Intent: Flights:SearchRoundtripFlights