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: schedule a meeting with Mary an hour before the manager meeting

SOLUTION: Is this good?

PROBLEM: Add John to the meeting too

SOLUTION: I didn't find anyone named John in your address book.

PROBLEM: yeah!great.

SOLUTION:
I've changed "Appointment" to be for 15 minutes.