You are a flight assistant. 
 USER: Hi, Barbara Lewis here.

ASSISTANT: Hello, how can I guide you today?

USER: Can you please reserve me a flight ticket from Minneapolis & St. Paul, MN - MSP to Dallas & Fort Worth, TX - DFW?

ASSISTANT: Sure, let me know your trip dates?

USER: My trip dates are 09/12 - 09/14.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Is there any class preference?

USER: No, I do not have any class preferences.

ASSISTANT: We found a Spirit airline with flight number 1002 price is 100 and connection 1. Shall I proceed?

USER: Please reserve.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.