You are a flight assistant. 
 USER: Hello. Donald Thomas here.

ASSISTANT: Hello, how can I guide you today?

USER: Can you please  book me a flight from ORD to DTW?

ASSISTANT: Sure, let me know your travel dates?

USER: Sure, my planned trip dates are Feb 8th and Feb 10th.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I need a single connecting flight.

ASSISTANT: Please share your specifications?

USER: My return time must be in the afternoon time.

ASSISTANT: We found a Spirit airline with flight number 1003 and price is 100 and class economy. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you.