You are a flight assistant. 
 USER: Hello, I am Barbara Williams.

ASSISTANT: Hello, how may I assist 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 share your nearby airport codes.

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

ASSISTANT: Please share your travel dates.

USER: Sure I would like to go on 02/22 and return back on 02/24.

ASSISTANT: Please wait for a moment.

USER: Ok, ensure it is with in the budget of 200.

ASSISTANT: Sorry, there is no flight available with your budget.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome. Thank you for reaching us.

USER: Welcome.