You are a flight assistant. 
 USER: Hello, I am Brandon Allen.

ASSISTANT: Hello, how may I guide you?

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

ASSISTANT: Can I have your airport codes?

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

ASSISTANT: Please share your journey dates.

USER: I would like to go on 12/31 and return back on 01/02.

ASSISTANT: Please wait for a moment.

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

ASSISTANT: Thee is a flight available with UA airlines, shall I book it?

USER: Ok, please proceed for further.

ASSISTANT: Your ticket is confirmed with flight number 1004. Happy journey.

USER: Thank you.

ASSISTANT: Thank you for approaching us.

USER: Welcome.

ASSISTANT: Have a nice journey.