You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket from ORD to DTW. Could you help me in booking?

ASSISTANT: Sure, please share your planned travel dates?

USER: My travelling dates are from Feb 08- 10.

ASSISTANT: Do you have any connection limit?

USER: I prefer for connecting flight.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Can I have your name please?

USER: Paul Davis.

ASSISTANT: Sorry, no flights found with your given details.

USER: That's ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.