You are a flight assistant. 
 USER: Hello. I am Betty Campbell.

ASSISTANT: Hello, how may I help you?

USER: I am looking for connecting flight from Detroit to Minneapolis, can you help me to find better flight?

ASSISTANT: Sure, may I know your preferable dates?

USER: Ok, my preferable dates are 04/25 and 04/27.

ASSISTANT: May I know your source and destination airport codes?

USER: Ok, MI - DTW is my source airport and MN - MSP is my destination airport.

ASSISTANT: We found a flight from Delta airline with 1 connection and fare is 100. Shall I proceed?

USER: Yes, please proceed for booking.

ASSISTANT: Your ticket is booked and flight number is 1015.

USER: Thank you so much.

ASSISTANT: Thank you for reaching us.