For the mock cold call at the end of most SDR interviews.
“Hi [Name], this is [You] from Goodstack. I know I'm calling unannounced. We help companies add giving to their products and make sure the charities are verified, and I wanted to see if that's something you work on.”
Written from public information about Goodstack to help you practice. Ask an insider what their role play looked like; it's the best prep there is.