You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I have a business meeting in Charlotte. Can you help me for booking a flight ticket from OAK to CLT?

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

USER: My travelling dates are July 03 and July 05.

ASSISTANT: Can you please share your connection limit?

USER: I need a single connecting flight.

ASSISTANT: May I know your name please?

USER: My name is Timothy Wilson.

ASSISTANT: Is there any class preference?

USER: I prefer to book a business class.

ASSISTANT: Timothy Wilson, there are no flights available in your route.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for choosing us.