In this task, you have given an input which is agent's reply, based on that you have to identify what will be users' command for that reply. The user generally asks a question related to event scheduling or information of the scheduled events. Agent reply based on the available information or do the task as per user command.

No, I didn't find any events between September 1, 2020 and November 30, 2020.
Do I have something in the fall?

I've changed "Lunch-meeting" to be Mark Mcfardland and Louise Berg.
Yes.

I've changed "foot ball match" to be for 3 hours.

Yes that update looks good