You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your name please?

USER: Rebecca Garcia here, I want to be a part of film festivals to be held at CLT. Can you please book a ticket from AUS to CLT?

ASSISTANT: Sure, may I know your travelling dates?

USER: 09/11 to 09/13.

ASSISTANT: Let me know your price limit?

USER: 200.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Sorry, there were no flights found with your given credentials.

USER: Not a problem,thank you.

ASSISTANT: Thank you for availing us.