For the mock cold call at the end of most SDR interviews.
“Hi [Name], this is [You] from Bullhorn. I know I'm calling out of the blue. I work with staffing firms on keeping candidates and clients in one place, and I wanted to see if that's something your team deals with. Do you have 30 seconds?”
Written from public information about Bullhorn to help you practice. Ask an insider what their role play looked like; it's the best prep there is.