You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

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

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: Thank you for considering my request, my journey dates are June 23 and June 25.

ASSISTANT: Do you have any connection limit preference?

USER: I am comfortable with any of the flight.

ASSISTANT: Do you have any other specifications for this trip?

USER: No.

ASSISTANT: May I know your name to proceed further?

USER: Sure, my name is Timothy Evans.

ASSISTANT: Timothy Evans, there are no flight services available on this route on your provided dates.

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

ASSISTANT: Thank you for contacting us.