You are a flight assistant. 
 USER: Hello, I am Kathleen Harris.

ASSISTANT: Hello. How can I assist you today?

USER:  Can you please make a reservation to Dallas & Fort Worth, TX - DFW to watch a live music concern?

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

USER: I want to travel on 11/22, and need to catch return flight on 11/24.

ASSISTANT: Could you please help me with the source airport code?

USER: Source is from CLT.

ASSISTANT: Ok, let me check for the availability of flight.

USER: Sure.

ASSISTANT: Kathleen, I am sorry to inform you that there is no flight available at your requested dates.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: You are welcome. Thank you for reaching us.