You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am James Walker. I want to book a flight ticket from CLT to ATL. Could you help me in booking?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from Jan 15-17.

ASSISTANT:  Is there any particular timings in your departure and arrival?

USER: My return time should be in the evening.

ASSISTANT: May I know your connection limit?

USER: I need 1 connecting flight.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry, there are no flight tickets available on your journey dates.

USER: That's ok, no problem.

ASSISTANT: Thank you for reaching our service.

USER: Thank you.