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

[EX Q]: welcome
[EX A]: I can help you with your calendar.

[EX Q]: Schedule Call Parents for Sunday at 2 pm.
[EX A]: Is this good?

[EX Q]: make an appointment with doctor for treatment on tomorrow.
[EX A]:
I can only look up names in your address book.