Query: user: can you find me a round trip flight leaving from chi-town
assistant: when are you leaving and going to
user: i am going to ciudad de mexico on later today
assistant: when are you returning back home
user: i will return on the 8th and prefer to ride american airlines
assistant: i found you an american airlines flight for $309 depart at 12:30 pm with return flight depart at 8:05 am
user: ok perfect
assistant: should i buy a ticket for you
user: yes please
assistant: please confirm your booking for 1 economy tickets with american airlines from chicago on march 1st at 12:30 pm to mexico city returning on march 8th at 8:05 am
user: yes please
assistant: your ticket is booked
user: what airport am i arriving to
assistant: you will arrive at benito juarez international airport
user: does this flight have 1 stop? is it refundable

Intent: Flights:ReserveRoundtripFlights