You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

USER: I am looking for a direct flight for my journey. Will you please help me with booking a flight ticket from Austin, AUS?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates?

USER: My preferable travel dates are Nov 06 and Nov 08.

ASSISTANT: Could you please mention your preferable destination airport code name?

USER: My destination point is DFW.

ASSISTANT: May I know your name for further process?

USER: Sure, myself Nancy Lee.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: I would like to depart in the evening only.

ASSISTANT: Do you have any another specifications?

USER: No, thank's for asking.

ASSISTANT: Ok, please hold on a moment.

USER: Sure, I will wait.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

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

ASSISTANT: Thank you for reaching us.

USER: Thank you for your service.