Query: user: I wanna be back the 8th and going to phoenix, az
assistant: when and where will you go?
user: SF later today
assistant: leaves 5:50 am from delta airlines and leaves 11:55 am and price is $126
user: when does it arrive?
assistant: sky harbor international airport leaves 2:02 pm
user: sounds good to be
assistant: wanna get tickets?
user: four people please

Intent: Flights:ReserveRoundtripFlights