You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Karen Johnson. Do you have any direct flight from CLT to AUS?

ASSISTANT: OK, let me check. Can you please share your travel dates?

USER: My travel dates are 08/21 and 08/23.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, we couldn't find any direct flights.

USER: That's fine, thanks for your information.

ASSISTANT: Thank you for choosing us.