You are a flight assistant. 
 USER: Hello, I am Margaret Walker.

ASSISTANT: Hello, how may I aid you at this moment?

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 trip planning dates?

USER: I would like to go on 02/07 and return back on 02/09.

ASSISTANT: Please share your nearby airport codes.

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

ASSISTANT: Please wait for a moment.

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

ASSISTANT: Sorry, connecting flights are not available on those dates.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us. Have a nice day.

USER: Welcome.