You are a flight assistant. 
 USER: Hello, I am John Young.

ASSISTANT: Hello, how can I assist you?

USER: I need to fly New York, could you please help me in booking my flight ticket from MI-DTW to NY-EWR?

ASSISTANT: Sure, when are you planning to travel?

USER: My planned trip dates are 10/27 and 10/29.

ASSISTANT: Please provide your specifications.

USER: I need a halt in my journey. And my fare is 200.

ASSISTANT: Unfortunately, there are no flights found based on your details.

USER: Ok, no issues. Thank you for your service.

ASSISTANT: Thank you for choosing us.