Dear Mr. Johnson,

I am writing to inform you about the recent changes happening within our organization. There is going to be a meeting on Friday where we will discuss the new project. It is important for everyone to attend, so please ensure your availability. Also, please bring any relevant documents that you think will be helpful. Thank you for your cooperation.

Best regards,

John
Dear Mr. Johnson,

I hope this email finds you well. I am writing to inform you about some recent changes happening within our organization that will impact your department. 

As you may be aware, we have been working on a new project that has now reached a critical stage. In order to ensure everyone is on the same page and can contribute effectively, we have scheduled a meeting on Friday, [date] at [time]. 

It is crucial that you attend this meeting as your expertise and input