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.
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Question: Mothers Day was on Sunday, May 12th.

Answer: when was mothers day


Question: I didn't find any events at 9:00 AM.

Answer: Cancel my 9am appointment for Friday


Question: I've changed "Appointment" to be for 2 hours and 30 minutes.

Answer:
This looks good.