You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What kind of help are you expecting from us?

USER: I am Brian Anderson from Charlotte. I am planning to meet my colleague in Las Vegas, can you help me in booking a flight ticket from NC - CLT to NV - LAS?

ASSISTANT: Sure, we are ravish to help you. Can I know your scheduled travelling dates?

USER: My departure day is 01/13, return day is 01/15.

ASSISTANT: Do you need a connecting flight or a direct flight?

USER: I need a connecting flight.

ASSISTANT: Thank you for sharing your necessary details. We found a flight 1018 in Spirit airline with a fare of 100. Shall I proceed with a economy flight?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been confirmed with a connecting flight.

USER: Thank you.

ASSISTANT: Thank you for opting us.