You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am looking for a flight from LAS to AUS, can you help me in booking?

ASSISTANT: Sure, we are happy to help you. Can you please let me know your travelling dates?

USER: Sure, my planned travel dates are Feb 09 and Feb 11.

ASSISTANT: Do you prefer any break in between journey?

USER: Please look for a direct flight.

ASSISTANT: May I know your class preference?

USER: I'm not looking for any class preferences.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: Can I have your good name?

USER: Sure, myself Carol Adams.

ASSISTANT: I am really sorry to inform you that there are no flights are operated in your preferred route.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for opting us.