You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

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

ASSISTANT: May I know on what dates would you like to travel?

USER: My travelling dates are Mar 30 and Apr 01.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: My airport codes are CLT and MSP.

ASSISTANT: Do you prefer a direct or connecting flight?

USER: I prefer direct flight.

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

USER: No.

ASSISTANT: Can I have your name please?

USER: Kimberly Johnson.

ASSISTANT: Sorry to inform you that unfortunately there is no flights available by the given details.

USER: Anyway, thanks for the information.

ASSISTANT: That's ok, thank you.