You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Brandon Harris here. I have a seminar in NC-CLT.Can you please help me booking a ticket from CO-DEN.

ASSISTANT: Sure, can I get the dates?

USER: My departure date is 06/24 and return date is 06/26. Make sure my connections limit is 1. My price limit is 200.

ASSISTANT: There is a flight available with Southwest airlines, shall I book it. Yes its cost is 200.

USER: Please proceed for booking.

ASSISTANT: Your ticket is confirmed, flight number is 1002.

USER: Thank you for helping me.

ASSISTANT: Thank you for your service.