You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

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

ASSISTANT: Sure, can you please mention your depart and arrival dates of your journey?

USER: Dates are Sept 15 and Sept 17.

ASSISTANT: Are you comfortable with connecting flight or direct flight?

USER: Connected flight required.

ASSISTANT: If you have any other preference regarding your journey, please let me know.

USER: No.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: Raymond Gonzalez.

ASSISTANT: Thanks for sharing your details, we are unable to provide flight in between your journey routes.

USER: Not an issue. Thanks for checking.

ASSISTANT: Thank you for reaching us.