Query: user: Could you find me a flight?
assistant: Where do you want to go and which day will you return?
user: I will fly to Phoenix and want to return this Sunday.
assistant: What city do you want to leave from?
user: I'd like to use Delta Airlines from Chicago. Find me Premium Economy class tickets.
assistant: On what date do you want to travel?
user: I'd like to start my travel later today.

Intent: Flights:SearchRoundtripFlights