You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you today?

USER: I have a conference at Chicago, please help me with booking.

ASSISTANT: Sure, please mention your travel dates?

USER: My preferred dates are from 12/29 to 12/31.

ASSISTANT: May I know your airport codes?

USER: My origin airport is Detroit, MI- DTW and Dest airport is IL- ORD.

ASSISTANT: We found a flight with your requirement, airline is Spirit with flight number is 1003 and price is 100.

USER: Sure, please go with booking.

ASSISTANT: Your booking is confirmed.

USER: Thank you for your service.

ASSISTANT: Thanks for reaching us, have a good day. May I know your name for documentation?

USER: I am Andrew Rodriguez.

ASSISTANT: Thank you.