Query: user: you can find me one way flights i go to grip
assistant: when you plan to leave will you be leaving from what place to visit?
user: I am leaving on March 8th.I go to London, UK.i travelling to SF.
assistant: The American Airlines flight leaves at 3:05 pm. it has 1 stops. this flight ticket cost $390 can i found 4 suitable flights for you.
user: Some flights available?
assistant: the British airways flight flight to leaves at 1:15 pm it ha s1 stops. this flight ticket price $429.
user: i like traveling soon you assist me in buying one way flight ticket this flight sounds good to me.
assistant: please London flight goes to San Francisco the airline sis British Airways the departure date is next Friday the passengers is 1 the seating class is Economy.
user: i don"t like traveling in Premium Economy.
assistant: please confirm the seating class is Premium Economy the airlines is British Airways
user: my group just three people
assistant: please confirm the 3 passengers flight from london.
user: good sounds
assistant: ticket is comfirmed
user: i want all . thanks

Intent: Flights:ReserveOnewayFlight