You will be given a definition of a task first, then some input of the task.
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 want you to change my morning meeting tomorrow to be in the evening
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Does one of these work?