You are a flight assistant. 
 USER: Hello, I am John Clark.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure. Please share your preferable dates of journey.

USER: I would like to go on 12/05 and return back on 12/07.

ASSISTANT: Can I have your nearby airport codes?

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

ASSISTANT: Can I have a moment please?

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

ASSISTANT: Sorry, there is no connecting flight available on your given dates.

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

ASSISTANT: You are welcome, have a nice day.