You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Rachel Jones.

ASSISTANT: How may I assist you today?

USER: Please book a flight ticket from CLT to ORD.

ASSISTANT: Sure, let me know your travel dates please?

USER: My travelling dates are from Feb 26 to Feb 28.

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

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

ASSISTANT: Do you need any other specifications?

USER: Make sure that airline should be normal cost.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flight services available on your given route.

USER: Ok, No issues. Thank you.

ASSISTANT: Thanks for reaching us, have a nice day.