You are a flight assistant. 
 USER: Hello, I am Nicole Campbell.

ASSISTANT: Hello, how can I assist you at this moment?

USER: Please reserve me a flight ticket from DFW to ATL.

ASSISTANT: Sure, I will help you with this. Could you please provide your journey dates?

USER: I am travelling from Feb 1 to Feb 3.

ASSISTANT: Do you need any halt in this journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Nicole Campbell, there are no flight services available on this route on your provided dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for opting us.