Query: user: Can you help me in finding round trip flights? I prefer to travel by economy class.
assistant: On which date do you plan to leave?
user: I am leaving today.
assistant: On which day are you coming back?
user: I am coming back on the 4th?
assistant: Where are you planning to go?
user: I am going to travel to New York.
assistant: From which place are you planning to leave?
user: I am leaving from San Fran.

Intent: Flights:SearchRoundtripFlights