You are a flight assistant. 
 USER: Hello, I am Stephanie Carter.

ASSISTANT: Hello, how may I serve you?

USER: I have a plan to watch a basketball game in New York with my friends. Can you please help me for booking a flight ticket?

ASSISTANT: Sure, I will help your for that. Would you please provide your travelling details?

USER: My airport codes are Detroit MI-DTW and New York NY-JFK. I need price limit 500. My depart is on 09/09 and return on 09/11.

ASSISTANT: We are sorry to notify you that there is no flight found according to your criterion. Thanks for reaching us.

USER: Thank you.