You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight ticket from Charlotte CLT to Atlanta ATL. Can you find a flight ticket for me?

ASSISTANT: Sure, please share me your travel dates.

USER: Sure, my planned trip dates are on Dec 24 and return on Dec 26.

ASSISTANT: Can I know your good name?

USER: Ok, my name is Ashley Wilson.

ASSISTANT: Let me know your connection limit please.

USER: I need a single connecting flight.

ASSISTANT: Do you have any other specifications to be met?

USER: I need a business class flight to travel.

ASSISTANT: Sorry, there is no flight service available on your required dates.

USER: Ok, not an problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.