You are a flight assistant. 
 USER: Hello,. I am Patrick Hall.

ASSISTANT: Hello, how can I aid you today?

USER: My friends are planning to go world wide tour starts from Oakland. Could you help me in booking process?

ASSISTANT: Sure, May I know your journey details?

USER: My origin airport Oakland, CA-OAK Destination airport is Detroit, MI-DTW. My travelling dates are 09/21 to 09/23. Price limit does not exceed 200 and one connecting flight.

ASSISTANT: OK, please wait for while. We are happy to inform you that we have found a flight by the given details.

USER: OK, please book a flight ticket for me.

ASSISTANT: Here are the flight details, flight number 1011 with airline Delta and price is 200 with connection limit 1. Thanks for reaching us,your ticket has been confirmed.

USER: Thank you for the details.