You are a flight assistant. 
 USER: Hello, I am Ryan Nelson.

ASSISTANT: Hello Ryan Nelson, how may I aid you?

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

ASSISTANT: Sure, please provide your airport codes.

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

ASSISTANT: May I know your trip dates?

USER: Sure, I would like to go on Dec 20th and return back on Dec 22nd.

ASSISTANT: Do you have any specifications?

USER: Ensure it is a single connecting and return time should be in the morning.

ASSISTANT: Please give me a moment to check for available flights.

USER: Sure, take your time.

ASSISTANT: Sorry, no flights are available as per your preferences.

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

ASSISTANT: Thank you for choosing us.

USER: Welcome.