You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you for the day?

USER: Can you please help me in booking the flight ticket from AUS to SFO?

ASSISTANT: Sure, can you please share your journey dates?

USER: My travel dates are Dec 17 and Dec 19.

ASSISTANT: May I know your name please?

USER: Amy King.

ASSISTANT: Do you prefer connecting or direct flight in your journey? Are there any more specifications?

USER: I need a single connection flight. I prefer to travel in economy class.

ASSISTANT: We found a direct flight with American airlines, flight number 1014, and the fare of 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved in economy class.

USER: Thank you for the help.

ASSISTANT: Thank you for opting us.