You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to travel from CLT to DEN. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: My planned travel dates are from Nov 03 to Nov 05.

ASSISTANT: Can you please share your connection limit?

USER: I need a flight with single connection limit.

ASSISTANT: May I know your name please?

USER: Sure, myself Kathleen Garcia.

ASSISTANT: Do you have any other specifications?

USER: I want to book my ticket in business class only.

ASSISTANT: Kathleen Garcia, there are no flights available in your route.

USER: That's ok, no problem. Thank you for your service.

ASSISTANT: Thank you for choosing us.