You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Steven White.

ASSISTANT: White, how may I help you?

USER: I am planning to visit San Francisco, SFO. Could you please help me in booking the flight ticket from New York, JFK?

ASSISTANT: Sure, I am here to help you. May I know your itinerary dates?

USER: My preferable journey dates are from 11/18 to 11/20.

ASSISTANT: Please give me a moment to check for available flights.

USER: Sure, I will wait for your response.

ASSISTANT: Southwest airlines with flight 1019 is providing service with a connecting flight and ticket costs you 200 in economy class.

USER: Please book my ticket with this airlines.

ASSISTANT: Your ticket is booked, have a safe and happy journey.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.