Fortunately I learned the importance of communication (and we ended up having a good laugh over my error) many years ago. I lived in the Bay Area and called Queen Adrena in LA to set up a session for 10:30 on a Saturday. Got up early and took a PSA flight down, got a rental car at the airport and called her to confirm I was on my way over. Ah, she thought our session was for 10:30 PM and I thought it was 10:30 AM!!! She had something going on but re-arranged her schedule and was able to see me by noon and we had a fabulous session. First I appreciated her helping smooth out my mistake. Second, I learned to make sure about minor details about such things as time, etc. when booking sessions, especially when traveling some distances.