You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: I am Dorothy white. I need to participate in the golf event with my childhood friends which is in Detroit.Can you please help me for booking a flight ticket?

ASSISTANT: Sure, provide me your travelling dates?

USER: My depart is on 08/10 and arrival on 08/12.

ASSISTANT: OK, can I have your airport codes?

USER: My origin code is NY-JFK and destination code is MI-DTW.

ASSISTANT: Sorry, there is no flight found with your requirements.

USER: Ok, not an issue.

ASSISTANT: Thank you, for reaching us.

USER: Thank you for your assistance.