Query: user: I'm looking for round-trip flights with available Economy class seats.
assistant: What's your departure city?
user: I intend to leave from Los Angeles.
assistant: When and where are you going?
user: I'll be leaving next Thursday for SF.
assistant: When would you like to return?
user: I'd like to return on 13th of this month.
assistant: Among the 3 suitable flights I found is an outbound Alaska Airlines flight leaving at 5:50 pm, with a return flight that leaves at 7:10 pm, at a cost of $106 per ticket.
user: What's the estimated arrival time for my return flight?
assistant: The return flight lands at 8:35 pm.
user: Please search for other available flights.
assistant: Sure, no problem. How about an outbound American Airlines flight leaving at 6:30 am, with a 3:50 pm return flight at $100 per ticket?
user: I'd like to hear more options. Please search for other available flights.

Intent: Flights:SearchRoundtripFlights