You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: My name is Scott Davis, I want to change my reservation as my plan to visit my friend's house is postponed. Can you change my reservation?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: We found a reservation on your good name. May I know your planned travel dates?

USER: I will fly on 12/27 and return on 12/29.

ASSISTANT: Can you please provide me your source and destination codes?

USER: My source point is NY-LGA and my destination is AZ-PHX.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found an airline: Frontier, flight number: 1010 and price is 300 with one connection.

USER: Please proceed with booking.

ASSISTANT: Shall I proceed to booking?

USER: Sure.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting us.