Companies are getting keen on automating everything so while your story is missing detail I can see how it could happen. I have had similar occurrences but no more as the consumer backlash was brutal.
Thought I would ask if anyone else has experienced this...
I sent an email to someone querying the cost of something, in which I included words 'payment' and '£xxx' (where 'xxx' was the amount in question).
Very shortly afterwards (less than a minute or so) I receive a call to my landline telephone. It was an automated message specifically mentioning a payment for the precise amount I'd mentioned in the email, and it was prompting me to press '1' to proceed with the payment.
Concerned. Obviously I've changed passwords (no-one else has physical access to my computer by the way).
Has this happened to anyone else ?