You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I am planning to book a flight ticket to DFW from CLT, can you please help me out?

ASSISTANT: Sure, can I know your trip dates?

USER: Sure, my trip dates are Nov 11 and Nov 13.

ASSISTANT: Is there any connection limit?

USER: I prefer direct flight.

ASSISTANT: Please let me know if you have any other specifications.

USER: No more specifications.

ASSISTANT: May I know your good name?

USER: My name is Kathleen Edwards.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for reaching us.