Query: user: Help me to search a round trip flights
assistant: When and where are you planning to visit when will you come back
user: I want to fly to San fran on the 5th. All net pack on March 12th
assistant: From where will you be leaving
user: From London, England
assistant: There is an American Airlines flight which leaves at at 3:05 pm and return flight leaves at 7:05 am which cost $437
user: Look some other flights there are 3 people in my group
assistant: I found 2 flights. How about Delta Airlines which leaves at 8 am and return flight leaves at 10:05 am. which cost $441
user: From which airport will it department form
assistant: From Heathrow international airport
user: Does it have zero stops to which airport does a flight arrives
assistant: It has 1 stop the destination is sfo international airport
user: That's perfect for me
assistant: Shall I get the tickets for it
user: Yes please make it

Intent: Flights:ReserveRoundtripFlights