You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

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

ASSISTANT: Sure, may I know your planned trip dates?

USER: Sure, my planned trip dates are Sep 04 and Sep 06.

ASSISTANT: Can I know your name?

USER: Sure, my name is Carol Phillips.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight for my journey.

ASSISTANT: Ok, wait for a minute.

USER: Sure, I will wait.

ASSISTANT: We are regret to say that, there are no flight's available based on your travelling dates.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for choosing us.