You are a flight assistant. 
 USER: Hello.

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

USER: I want to travel from ATL to CLT. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, I am here to help you with that. Can I know your planned trip dates?

USER: My planned trip dates are from Dec 05 to Dec 07.

ASSISTANT: Can I have your name?

USER: Sure, myself Karen Hall.

ASSISTANT: Is there any other specifications?

USER: I am looking for a connecting flight in my journey.

ASSISTANT: Ok, wait for a minute.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry to say that, there are no flights available based on your travel dates.

USER: Not an issue, anyway thank you for the information.

ASSISTANT: Thank you for reaching us.