That's actually not so bad. I got a different, more hilarious response when a scammer realized I was stringing him along. Which I recorded.
I received a call just last Thursday from a professionally recorded American sounding female voice saying it was my credit card company. "Nothing was wrong with my account" but there was an opportunity to reduce my interest rate on EITHER my "MasterCard" OR "Visa." I knew this was going to be fun so I played along, pressed 1, and got connected to a guy from India. He began by asking for my credit card number to verify my account.
I started recording half way through, hoping to keep him on longer but failed. Here's the short clip from when he realized I was giving him random credit card numbers (NSFW language):