You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Need your assistance for booking from my hometown to reach AUS with a direct flight.

ASSISTANT: Sure, let me know your trip dates?

USER: My trip dates are on Sept 11 and 13.

ASSISTANT: Can you please share your origin airport code?

USER: I am boarding from OAK.

ASSISTANT: Is there any other specifications?

USER: I prefer to travel in an economy class.

ASSISTANT: Can I know your name?

USER: Pamela Adams here.

ASSISTANT: Thanks for you details, there is no flight found on your desired journey routes.

USER: Ok, thanks for your information.

ASSISTANT: Thank you for choosing us.