You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am looking for a flight from DTW to DTW, to see the Detroit Institute of Arts in Detroit.

ASSISTANT: That's nice. Could you share me your travelling dates?

USER: Sure, I am planning to move on 07/10 and 07/12. I am looking for a price of 200 or less.

ASSISTANT: Give me a moment, I will get back to you.

USER: Sure.

ASSISTANT: Sorry to say that there are no flights found matching your requirement.

USER: It's ok, not an issue.

ASSISTANT: Can I know your name?

USER: Sure, William Clark here.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your help.