Query: user: can you search a one way flights for me
assistant: when are you leaving and where are you visiting
user: I am traveling from vegas to new york on 4th of march
assistant: i found 2 flights for you. What about american airlines with 1 stop for $290 depart at 5:30 am
user: when does it arrive
assistant: this will arrive at 6:01 pm
user: perfect
assistant: would you like to buy a ticket
user: yes, please book three tickets for me
assistant: please confirm your booking for 3 economy tickets with american airlines traveling from las vegas to new york on march 4th
user: no i just need 1 ticket

Intent: Flights:ReserveOnewayFlight