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

Who accepted the management retreat?
Here is the list of attendees who have accepted "management retreat": Elli Parker and Kim Possible.

No, nevermind.
Ok, I won't do anything for now. Let me know what else I can help you with.

Create a meeting for me and my team to go over fun-day excursions at 4p next Thursday
I can only look up names in your address book.