You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: My name is Charles Martin, want to participate in cultural event in my college at Detroit.

ASSISTANT: Ok.

USER: Could you please help me in booking a ticket to reach DTW from New York, JFK?

ASSISTANT: Sure, May I know how much you can afford for this journey?

USER: I can afford up to 500.

ASSISTANT: Kindly, share your journey dates.

USER: My journey dates are from 12/14 to 12/16.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: Unfortunately, no flights available with your requirements.

USER: No problem, thank you for the response.

ASSISTANT: Thank you for reaching us.