TASK DEFINITION: In this task, you have given an input which is user's command or question, based on that you have to return what will be Agent's response/reply for that particular user's command or question
PROBLEM: Can we change a date?

SOLUTION: Sorry, I can't handle that yet.

PROBLEM: Create an event for Monday for Lunch with my Mom

SOLUTION: I can only look up names in your address book. Please use a full name and try again.

PROBLEM: Make the appointment be from 12 to 2

SOLUTION:
Is this the update you want?