Tinkoff Bank has its own voice assistant "Oleg", which can answer calls when you are busy. And
A bank client received a call from a corporate“Oleg”, the owner of the card himself could not answer the call, so his voice assistant took the phone for him. Two "Olegs" had a short conversation, as a result of which the client's bank card was frozen.
He turned to those.bank support, after which his card was unblocked. Tinkoff employees contacted the user to provide additional information about the call in order to improve the bot's performance.