You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am looking for a flight from AUS to PHL, can you please help me in booking?

ASSISTANT: Sure, I am here to help you to help you out. Please provide me your trip dates.

USER: My travelling dates are Dec 06 and Dec 08.

ASSISTANT: May I know your name to proceed further?

USER: Sure, my name is Joseph Green.

ASSISTANT: May I know your preferable flight timings?

USER: I want to return in morning.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Please provide me your class limit?

USER: I prefer business class.

ASSISTANT: Sorry  Joseph Green, there is no flight in your route due to inflation in flight ticket booking.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.