You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am looking to book a flight ticket from MSP to DTW. Can you help me for that?

ASSISTANT: Sure, can you please share your travel dates?

USER: My travelling dates are Oct 17 and Oct 19.

ASSISTANT: May I know your connection limit?

USER: I prefer to book a single connecting flight.

ASSISTANT: Do you have any other requirements?

USER: My class preference is economy.

ASSISTANT: Ok, please share your name.

USER: My name is Katherine Roberts.

ASSISTANT: Sorry, there are no flight in this route as per your travelling details.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for choosing us.