You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit Los Angeles on Jan 19, will you help me in booking the flight ticket from AUS?

ASSISTANT: Sure, may I know your destination airport code?

USER: My destination airport code is LAX.

ASSISTANT: Can you please share your return date?

USER: I would like to return on Jan 21.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I need a flight with single connection.

ASSISTANT: May I know your name please?

USER: Myself Sharon Green.

ASSISTANT: Do you have any other requirements?

USER: I prefer to travel in economy class.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for opting us.