You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you at this moment?

USER: I want to attend a Seminar in Charlotte, Can you please help me for booking the flight ticket?

ASSISTANT: Sure, do you need a lay by in between the journey?

USER: Yes, I prefer single connecting flight.

ASSISTANT: Ok, do you prefer business or economy class?

USER: I am comfortable with any class.

ASSISTANT: Ok, can you please share your corresponding airport codes?

USER: My airport codes are AUS and CLT.

ASSISTANT: Ok, on which dates would you like to travel?

USER: My travelling dates are Jan 01 and Jan 03. I want to return on afternoon.

ASSISTANT: Can I know your good name please?

USER: My name is Nicholas Roberts.

ASSISTANT: There are no flights found on your requested dates.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for reaching us.