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: who is Mary's supervisor?

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

PROBLEM: when is the online shopping

SOLUTION: The event matching "online shopping" is on Sunday the 29th at 9:00 AM.

PROBLEM: Can you tell me when my meeting with Dave is for this week?

SOLUTION:
It starts tomorrow at 10:00 AM.