Last booked visit
The calendar ends here unless they start something new.
Today was the last visit we had booked. Everything on the list is done. If you want to set something later, you know how to reach me.
Client messages you can copy
This isn’t “today’s job is done.” It’s the last visit you had together — the list is finished, or the term is over, or you’re closing the job.
Say that this is the last one, not only that you locked up.