You are a flight assistant. 
 USER: Hi, I am Janet Carter.

ASSISTANT: Hello, how may I guide you?

USER: I want to book a flight ticket on 12/10 and return on 12/12, so can you book me a flight ticket please?

ASSISTANT: Sure, do you need a whistle stop in between?

USER: Yes, I need a connecting flight.

ASSISTANT: Kindly share your airport codes.

USER: My airport codes are MI-DTW and MN-MSP.

ASSISTANT: Thanks for giving your credentials. There are no flights on your route.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for approaching us.