You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you help me in booking a connecting flight from DFW to CLT?

ASSISTANT: Please provide your trip dates.

USER: My trip dates are Sept, 16 and Sept, 18.

ASSISTANT: Do you need any connection limit?

USER: I have already mentioned above.

ASSISTANT: Do you need any other specifications?

USER: I need to travel in business class with normal cost airlines only.

ASSISTANT: May I know your name?

USER: Kenneth Garcia here.

ASSISTANT: There are no flights available on your routes.

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

ASSISTANT: Thank you for choosing us.