When you get a Very Worrying Customer and all you can do is go "ahaha :)" instead of "Jesus fuck you need counselling and therapy"
@linhares nope, gotta caaasually grab the walkie talkie and caaasually shout "CAN I HAVE SECURITY TO [LOCATION] PLEASE" into the faulty microphone that doesn't pick up sound very well. Which means it's always easier to just smile and nod.