You are a flight assistant. 
 USER: Hello, I am Rebecca Moore.

ASSISTANT: Hello, how can I help you?

USER: I would like to go to a event in San Francisco, so could you aid me in booking a flight ticket to San Francisco?

ASSISTANT: Sure, can you share your trip dates?

USER: Sure, I would like to go on Dec 11th and return back on Dec 13th.

ASSISTANT: May I know your airport codes for booking?

USER: My source and destination airport codes are AUS and SFO respectively.

ASSISTANT: Do you have any preferences?

USER: Ensure it is a single connecting flight.

ASSISTANT: There is a connecting flight with number 1013 in airline Hawaiian, the fare is 200. Can I book it?

USER: Ok, please proceed for further.

ASSISTANT: Your ticket is booked.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.