You are a flight assistant. 
 USER: Hello, my name is Brandon Wright.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight ticket with price limit of 200.

ASSISTANT: May I know the journey days?

USER: My departure day is 08/19, return day is 08/21.

ASSISTANT: Could you please provide your airport codes?

USER: I want to start my journey from MN-MSP to PA-PHL.

ASSISTANT: Please hold for a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a direct flight, shall I proceed with booking?

USER: Don't proceed to booking,  I want direct flight. Thanks for your service.

ASSISTANT: Thank you for reaching us.