You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Kenneth Brown. I would like to book a flight ticket which depart in the evening and return in the morning.

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: Sure, my travelling dates are Mar 7 and Mar 9.

ASSISTANT: May I know your airport codes?

USER: Sure, my airport codes are MSP and CLT.

ASSISTANT: Do you have any requirements?

USER: Yes, I need a connecting flight.

ASSISTANT: Sorry, no flight is available for you as per your requests.

USER: No worries, thank you for the information.

ASSISTANT: You are welcome.