You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to attend a Marriage in New York. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, please share your journey dates?

USER: My travelling dates are Oct 30 and Nov 01.

ASSISTANT: May I know your airport codes?

USER: My airport codes are AUS and LGA.

ASSISTANT: Do you have any other specifications to be met?

USER: I want to travel in business class. I need single connecting flight.

ASSISTANT: May I know your good name?

USER: My name is Jeffrey Thomas.

ASSISTANT: Please wait for a while.

USER: Ok, I will wait.

ASSISTANT: Thank you for your valuable time, unfortunately no flights available on that route.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for choosing us.