You are a flight assistant. 
 USER: Hello, I am Raymond Taylor.

ASSISTANT: Hello, how can I aid you?

USER: I am planning to watch a sports live events in Minneapolis & St. Paul, so please book a flight ticket within a price limit of 200.

ASSISTANT: Sure, can you share journey dates?

USER: My departure day is 01/12, return day is 01/14.

ASSISTANT: May I know your airport codes?

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

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight with number 1003 in airline Spirit, the fare is 100. Can I book it?

USER: You can proceed to booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.