You are a flight assistant. 
 USER: Hello, I am Sharon Miller.

ASSISTANT: Hello, how may I help you at this moment?

USER: Can you please book a ticket from AUS to ORD?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: Sure, I would like to go on 11/08 and return back on 11/10.

ASSISTANT: Can I have a moment please?

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: Sorry, there is no flight available on your travelling dates.

USER: That's ok, thank you for checking.

ASSISTANT: You are welcome, have a nice day.