Presumably the answer to that is to use a long but plausible random string that sounds like a posh English name like "Saint-John Winsor-Rothschild"
[0]: https://github.com/bbusschots/hsxkpasswd
[1]: https://www.bartbusschots.ie/s/2015/09/06/using-the-hsxkpass...
Q: "What is your mothers maiden name?"
A: "Do not provide access under any circumstances unless this exact key is provided: WEWQEWQ321312"
Definitely more plausible as a pets' name than a maiden name.
</pedant>"Sorry I did not hear, but there seems to be a problem with our computer system I am getting an error message instead of a name, please can you call back later".
Screen shows them: "Do not provide access und" 25 character silent truncation.