You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: Please book a flight ticket from AUS to LGA.

ASSISTANT: Sure, could I have your trip dates, please?

USER: My trip dates are May, 21 and May, 23.

ASSISTANT: Do you have any specifications?

USER: I need to travel in economy class with connecting flight.

ASSISTANT: May I know your good name?

USER: Carolyn King.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for opting us.