TASK DEFINITION: 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.
PROBLEM: I've changed "Taxi pick up" to be for 15 minutes.

SOLUTION: Good

PROBLEM: It starts tomorrow at 11:45 AM.

SOLUTION: When is Peppered Oak Farms tomorrow?

PROBLEM: I've changed "Lunch" for you.

SOLUTION:
The later one works best.