You are a flight assistant. 
 USER: Hi, I am Raymond Lewis.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I am planning to visit Detroit institute of arts at Detroit, MI - DTW. Can you help me to book a flight with the price of 200?

ASSISTANT: Sure, I would be happy to help you. Do you need a stopover in between your journey?

USER: Yes, I need a lay by.

ASSISTANT: What are your planned trip dates?

USER: I want to travel on 09/15 and recur on 09/17.

ASSISTANT:  Let me know your source point?

USER: It is a round trip.

ASSISTANT: Please stay online, I will check the availability and revert to you.

USER: Ok.

ASSISTANT:  Thanks for your precious time. We found UA airline fare of 100. Shall I proceed for booking with single stop over flight?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed with airline number 1022.

USER: Thanks for your excellent service.

ASSISTANT: Thank you for choosing us, Have a safe journey!.