You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Michelle Young. I have a business meeting in New York, can you help me for booking a flight ticket from AUS to LGA?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travelling dates are Dec 22 and Dec 24.

ASSISTANT: Do you have any requirements?

USER: I need a single connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: We found a direct flight, flight number: 1000, airline: Frontier, price: 200.

USER: Ok, please proceed for booking.

ASSISTANT: Your flight ticket has been confirmed in economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.

USER: Welcome.