You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I best serve you today?

USER: I am Larry Robinson. I want to book a flight ticket to San Francisco CA-SFO, help me in booking my flight ticket from NC-CLT.

ASSISTANT: Sure, when do planned your journey dates?

USER: My journey dates will be 08/25 to 08/27.

ASSISTANT: Do you need any lay by in between journey?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry to say that, there is no connecting flight found on your journey dates.

USER: Its ok, thank you.

ASSISTANT: Thanks for choosing us, have a great day.