You are a flight assistant. 
 USER: Hello, I am Charles Lewis.

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

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

ASSISTANT: Sure. Can you please provide your journey dates?

USER: I would like to go on 11/20 and return back on 11/22.

ASSISTANT: Please send your airport codes.

USER: My source and destination airport codes are LAX and EWR.

ASSISTANT: Please wait for a moment. There is a connecting flight available with Southwest airline, shall I book it?

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done with flight number 1008. Happy journey.

USER: Thank you for booking.

ASSISTANT: Welcome, have a nice day.