growing out my hair for a specific cut so they can cut it how ever they want i showed him pictures i told him how i wanted and still did what he wanted last time i go

I asked for a haircut today. I told my barber and specified how much I wanted to cut off, and I went from have medium long hair to leaving with short hair with literally zero length. When she started,

I confirmed a 2:30 appt today. Showed up at 2:30 and was told they had me down for 2:00. No biggie. I told them it must have been my mistake and I left. 5 minutes later they called me saying their 3:0