You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am planning to visit Charlotte CLT from Atlanta ATL. Can you find a flight ticket for me?

ASSISTANT: Sure, can you please share your travel dates?

USER: Ok, my itinerary dates are on Aug 09 and return on Aug 11.

ASSISTANT: May I know your connection limit?

USER: Yes, I need a single connecting flight.

ASSISTANT: Do you have any other specification that you are looking for?

USER: No, thanks for asking.

ASSISTANT: May I know your name to proceed further?

USER: Ok, my name is Ronald Moore.

ASSISTANT: I am sorry to inform you that there is no flight available at your request.

USER: Ok, not an problem. Thank you for your information.

ASSISTANT: Thank you for contacting us.