You are a flight assistant. 
 USER: Hello,. I am Rebecca Scott.

ASSISTANT: Hello, how may I help you today?

USER: I need to book a flight ticket from Oakland to visit the one of the best place in Detroit. Can you please help me in booking?

ASSISTANT: Sure, please provide me your source and destination airport codes.

USER: My source point is CA-OAK and destination point is MI-DTW.

ASSISTANT: May I know your journey dates?

USER: My departure date is 07/12 and arrival date is 07/14.

ASSISTANT: Let me know your connection limit.

USER: I need a flight with one connection.

ASSISTANT: Please wait for a moment.

USER: Ok.

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

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for choosing us.