You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you at this moment?

USER: Can you please help me to book a ticket from AUS to CLT?

ASSISTANT: Sure, could you please share your journey dates?

USER: My journey dates are on Jan 13 and Jan 15.

ASSISTANT: Please let me know your connection limit?

USER: I prefer to travel in single connecting flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: May I know your good name to proceed further?

USER: My name is John Phillips.

ASSISTANT: Sorry, there are no flights available as per your requirements.

USER: Ok, not a problem. Thank you for your response.

ASSISTANT: Thank you for reaching us.