Query: user: Can you help me to search for flights?
assistant: From where will you be leaving?
user: Im leaving from Portland, we are 4 people in my group.
assistant: When are you planning to return?
user: I wanted to get back on March 6th and I'm travelling to NYC.
assistant: When are you planning to leave?
user: This Sunday Im planning to leave.

Intent: Flights:SearchRoundtripFlights