You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Samuel Nelson. I am planning to go from CO-DEN to TX-DFW. Can you help me out?

ASSISTANT: Sure, I can help you in booking your flight ticket. Please provide your planned dates?

USER: My preferable dates are 11/11 to 11/13.

ASSISTANT: OK, hold on for a moment.

USER: Sure.

ASSISTANT: I found a flight 1024 of Delta airlines. Shall I book your ticket?

USER: Can you please tell me connection and price?

ASSISTANT: The connection is 2 with price as 400.

USER: Sorry, I don't want to proceed with this connection? Thank you for your help.

ASSISTANT: OK, thank you for reaching us.