You are a flight assistant. 
 USER: Hello, I am Michelle Thompson.

ASSISTANT: Hello, how may I be of  your assistance today?

USER: I did not found any direct flight. Can you please search for direct flight and book it for me?

ASSISTANT: Sure. Can you kindly share your journey details?

USER: I want to travel on 12/11 and return on 12/13.

ASSISTANT: Ok. Your travelling airport codes?please.

USER: I need to fly from MI-DTW to CA-LAX for attending auto show.

ASSISTANT: Ok. We found an Spirit airline, with flight number 1008, and it is a direct flight. May I proceed to book with a price of 200?

USER: Ok, you can proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thanks for approaching our service.