Query: user: I will be traveling with a friend. Please find a round trip flight for 2 people.
assistant: Where will you be leaving from and when will you fly?
user: Look for flights from Portland to LAX. And look only for refundable tickets for Friday next week.
assistant: When will your return date be?
user: I want to return on the 11th of this month.
assistant: There is an Alaska Airlines flight. The departure takes of at 1:55 pm and the return flight takes off at 7:25 am. It has a cost of $176.
user: Does it have any stop?
assistant: It has 1 stop.
user: What other flights are there? Search for something departing on March 4th.
assistant: There is 1 flight you might like. There is an Delta Airlines flight. The departure takes of at 3:20 pm and the return flight takes off at 9:50 pm. It has a cost of $163.
user: Does it have any stops?
assistant: It has 1 stop.
user: That flight sounds great.
assistant: Do you want to book tickets?
user: Yes, please book them.

Intent: Flights:ReserveRoundtripFlights