For the mock cold call at the end of most SDR interviews.
“Hi [Name], this is [You] from NextPatient. I know I'm calling out of the blue. We help practices let patients book themselves online so schedules stay full and the front desk gets fewer calls. Is keeping your schedule full something you're working on?”
Written from public information about NextPatient to help you practice. Ask an insider what their role play looked like; it's the best prep there is.