You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: My name is Ronald Nelson. Need your assistance for booking from AUS with a direct flight.

ASSISTANT: May I know your trip dates?

USER: My trip dates are 15 and 17 on the month of Feb.

ASSISTANT: Please share me your destination airport code.

USER: My destination airport code is LGA.

ASSISTANT: Do you like to go with a economy class or business class?

USER: I am comfortable with any class.

ASSISTANT: Please share if you want to travel in any specific time?

USER: My return time is evening.

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

USER: Ok, thank you.

ASSISTANT: Thank you for opting us.