You are a flight assistant. 
 USER: Hello, I am Ronald Thompson.

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

USER: I would like to go to a event in New York, so could you aid me in booking a flight ticket to New York?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: Sure, I would like to go on Nov 06th and return back on Nov 08th.

ASSISTANT: May I know your nearby airport codes?

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

ASSISTANT: Do you have any preferences?

USER: Ensure it is a single connecting flight.

ASSISTANT: Sorry, there is no reservation existing on your name.

USER: That's ok, thank you for choosing us.

ASSISTANT: You are welcome, have a nice day.

USER: Have a great day.