You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Kathleen Anderson. Can you find a flight for me from AUS to DFW?

ASSISTANT: Sure, let me know your airline preference.

USER: I am ok with any airlines.

ASSISTANT: Can you please share your arrival and departure dates?

USER: Ok, my journey dates are from Dec 09 to 11.

ASSISTANT: Please share your connection limit.

USER: Ok, I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: We found a direct flight and 1004 flight number with Southwest airline. Shall I proceed for booking?

USER: Yes, please.

ASSISTANT: Your ticket has been confirmed with economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.