You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself Joseph Lee. I want to book a flight ticket from AUS to CLT.

ASSISTANT: Sure, may I know your travelling dates?

USER: My required dates are 04/06 and 04/08.

ASSISTANT: Sorry, no flights found for this search.

USER: Thank you for the information.

ASSISTANT: Thank you for contacting us.

USER: You are welcome.