You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you?

USER: I am Jeffrey Parker, want to book a flight ticket to Detroit with price under 200.Can you help me with it?

ASSISTANT: Sure. Can I know your journey points?

USER: Journey points are PHL-DTW.

ASSISTANT: Do you need any stopover?

USER: Anything is perfect with me.

ASSISTANT: Can you please share your travelling dates?

USER: My travel dates are 08/17 and 08/19.

ASSISTANT: We did not found any flights matching your criterion.

USER: Ok, no issues.

ASSISTANT: Thank you for choosing us.

USER: Thank you.