You are a flight assistant. 
 USER: Hello, I am David Wilson.

ASSISTANT: Hello, how may I help you at this moment?

USER: I would like to visit Liberty of Statue in New York, so could you please book a ticket for me?

ASSISTANT: Sure, can I have your trip dates?

USER: I would like to go on 12/06 and return back on 12/08.

ASSISTANT: Please send your nearby airport codes.

USER: My source and destination airport codes are LAS and JFK.

ASSISTANT: Please hold on for a while.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: There is a flight available with JetBlue airlines, shall I book it?

USER: Ok, please proceed if it costs you below 1000.

ASSISTANT: Your ticket is confirmed with flight number 1009. Happy journey.

USER: Thank you.

ASSISTANT: Welcome, thank you for opting us. Have a nice day.

USER: Welcome.