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

When do I meet with Rex again?
It starts on Friday at 9:00 AM.

Make the appointment in the biggest room we have available at that time.
Sorry, I can't handle that yet.

Create an event called Swimming on Sunday at 2 pm.

I've put that on your calendar. Your status is set to Busy.