You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you now?

USER: Can you please help me in booking a flight ticket from OAK to DTW?

ASSISTANT: Yes, I will definitely try my best to help you in booking your flight ticket. Could you please provide your planned dates of journey?

USER: Sure, my travel dates are from Nov 27 to Nov 29.

ASSISTANT: Do you have any limit on connection limit?

USER: I don't have any specifications regarding my journey.

ASSISTANT: May I know  your good name to proceed further for documentation purpose?

USER: Myself Lisa Anderson.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: We regret to inform you that, we have not found any flights running on your desired routes.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for opting us.