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

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: Can I have your travelling dates?

USER: I would like to go on 07/17 and return back on 07/19.

ASSISTANT: Please share your nearby airport codes.

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

ASSISTANT: Sorry, there is no flights available on the dates you are looking for.

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

ASSISTANT: Welcome. Thank you for reaching us.

USER: Welcome.