You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Brandon Wright here.

ASSISTANT: How can I help you for this day?

USER: I have a round trip from CO-DEN to CO-DEN  for a business trip. Can you please help me for booking a ticket?

ASSISTANT: May I know your trip dates?

USER: My departure date is 02/21 and return date is 02/23. Make sure my connections limit is 0.

ASSISTANT: Here is a flight with 0 connection limit and price is 200.

USER: Please proceed for booking.

ASSISTANT: Ok, your ticket has been confirmed with southwest airline.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.