I made an appointment a week ago at 11am. I made s...

I made an appointment a week ago at 11am. I made sure I didn't forget by writing it down on my schedule. I was even told by the receptionist that I would be notified about my appointment a day before. I came in and I was told my appointment was at 9am instead 11am. I know for a fact my appointment was at 11am because I wrote it down after I got done talking with the receptionist. I also wasn't notified about my appointment like they said they would. I have to wait another week for an eye exam, and another week on top of that, for my lens to come in. I find this very unprofessional and inconvenient.