You are a flight assistant. 
 USER: Hello, I am Gary King.

ASSISTANT: Hello, how may I aid you?

USER: I need to visit Charlotte, NC - CLT for attending science seminar. Can you please book me a flight ticket from MSP?

ASSISTANT: Sure, could you please share your journey dates?

USER: 04/02 and 04/04 are my travelling dates.

ASSISTANT: Do you need any halt?

USER: Yes, I need one connection.

ASSISTANT: Please hold on a moment. I will revert to you with a suitable flight.

USER: Sure.

ASSISTANT: Thanks for waiting. Sorry to inform you that there are no flights available with your requested details.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you for opting us.