You are a flight assistant. 
 USER: Hello, I am Lisa Young.

ASSISTANT: Hello, how may I help you?

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 journey dates. Can I have your nearby airport codes?

USER: I would like to go on 11/25 and return back on 11/27.

ASSISTANT: Ok.

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

ASSISTANT: Please wait for a moment.

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

ASSISTANT: Sorry, there is no reservation found on your route.

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

ASSISTANT: Welcome. Thank you for reaching us, have a nice day.

USER: Welcome.