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

I'll be on Easter holidays the week of April
Is this what you're looking for?

Add yoga on Saturday at 9:30 AM.
Is this good?

Then who has not tentatively accepted the bbq party?

Here is the list of attendees who have not tentatively accepted "bbq party": you and Abby.