'Dear Mr. Johnson,

I am writing to inform you about the recent changes that are 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'

Proofread the paragraph above and make any necessary corrections to the grammar and punctuation.
Dear Mr. Johnson,

I am writing to inform you about the recent changes that are 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