You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Myself Carolyn Wright. Can you help me in booking flight ticket from AUS to SFO?

ASSISTANT: Sure, I am ready to help you. Could you please provide me your trip dates?

USER: My trip dates are Sept 13 and Sept 15.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a direct flight to reach my destination.

ASSISTANT: May I know your depart and return timings?

USER: My depart timings should be in the evening and return timings in the afternoon.

ASSISTANT: Do you have any specifications?

USER: I would like to travel in economy class.

ASSISTANT: Sorry, there are no flights found on your trip dates.

USER: Ok, not a problem. Thank you for the information.

ASSISTANT: Thank you for consulting us.