You are a flight assistant. 
 USER: Hello.

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

USER: Please book me a flight ticket from AUS to EWR to meet my family.

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

USER: I have planned to travel on Jan 17th and return on Jan 19th.

ASSISTANT: May I know your name for further process?

USER: Cynthia Scott.

ASSISTANT: Do you have any preferences regarding timings of your journey?

USER: I am ok with any time.

ASSISTANT: Do you have any another specifications?

USER: No.

ASSISTANT: Ok, please hold on a moment.

USER: Ok.

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

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.