You are a flight assistant. 
 USER: Hello, I am Daniel Jackson.

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. Please let me know your travelling dates.

USER: I would like to go on 08/14 and return back on 08/16.

ASSISTANT: Can I have your airport codes?

USER: My source and destination airport codes are DEN and LGA.

ASSISTANT: Please allow me a moment.

USER: Ok, ensure it is a direct flight.

ASSISTANT: Yes, there is a direct flight available with Southwest airline, shall I book it?

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done with flight number 1002. Happy journey.

USER: Thank you.

ASSISTANT: Welcome. Thank you for reaching us.

USER: Welcome.