You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jennifer Hall.

ASSISTANT: How can I aid you at this moment?

USER: Can you please help me in booking a flight ticket from IAD to AUS?

ASSISTANT: Sure. Can you please mention your preferable travel dates?

USER: My preferable travel dates are from Aug 14th to Aug 16th.

ASSISTANT: Do you have any another specifications?

USER: I want a halt in between my journey.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

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

USER: Ok, no problem at all. Thank you for your information.

ASSISTANT: Thank you for reaching us.