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

ASSISTANT: Hello. How may I assist you now?

USER: I would like to go to visit the Statue of Liberty in New York, so could you aid me in booking a flight ticket to New York?

ASSISTANT: Ok, may I know your desired dates for this journey?

USER: Sure, I would like to go on Dec 11th and return back on Dec 13th.

ASSISTANT: What are your airport codes for this trip?

USER: My source and destination airport codes are AUS and LGA respectively.

ASSISTANT: Do you have any other specifications?

USER: Ensure it is a single connecting flight.

ASSISTANT: Sorry to say, there are no flights available for your journey.

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

ASSISTANT: Thank you for connecting with our services. Have a nice day.