You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: My name is Raymond Parker. I would like to travel from DTW to DTW on a round trip. Can you please find any flights available?

ASSISTANT: May I know your travel dates?

USER: I am planning to travel on dates 11/09 and 11/11.

ASSISTANT: Sorry Parker, I didn't find any flight basing on your details.

USER: That's fine. Thank you for the information.

ASSISTANT: You are welcome.