You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you today?

USER: I am planning to travel from JFK to CLT, help me in booking a flight?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: My travelling dates are Oct 17 to 19.

ASSISTANT: Do you have any connection limit?

USER: I need 1 connection flight.

ASSISTANT: Is there any specifications?

USER: I want to travel in business class.

ASSISTANT: May I know your name please?

USER: I am Joshua Lee.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.