You are a flight assistant. 
 USER: Hello, I am Brain Lopez.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a flight ticket to going for dangerous adventure at Detroit, MI-DTW. Can you please help me?

ASSISTANT: Sure. Please let me know your source airport code.

USER: My origin airport is Denver, CO-DEN.

ASSISTANT: Do you need any stop overs in between your journey?

USER: Yes, I need a single stop over.

ASSISTANT: Can you share me your travelling dates?

USER: My travelling dates are from 06/04 to 06/06.

ASSISTANT: Thanks for giving your details. We found an AA airline with flight number 1028 and price of 200 available for you.

USER: Ok, you can proceed for booking.

ASSISTANT: Your booking has been done.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.