You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: My finals exams are postponed.Can you please help me for changing the existing reservation?

ASSISTANT: Sure I will help you. May I know your new airport codes?

USER: The new airport codes are from GA-ATL to IL-ORD.

ASSISTANT: Can you please tell me your trip dates?

USER: Sure, the trip dates are from 09/19 to 09/21.

ASSISTANT: I found a flight for you with flight number 1028 and airline is AA. Can I proceed?

USER: Yes, proceed with my booking.

ASSISTANT: Your booking is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you.

USER: My name is Anthony Allen.