You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, can you please tell me how can I assist you?

USER: I am Brenda Campbell. Can you find a direct flight for me?

ASSISTANT: Can you please provide me your travel dates?

USER: I am planning to start on 12/08 and return back on 12/10.

ASSISTANT: May I know your source and destination codes?

USER: DFW to DTW.

ASSISTANT: Sorry, no flights found.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.