A
FICTIONAL CASE
Customer A
Traveller paying for a hotel abroad
Paid for a hotel at 23:40 on her first night in Lisbon, on a card she normally uses for groceries.
Context
First foreign transaction on the card in two years
Amount £186, merchant category: lodging
Told the bank about the trip in the app a week earlier
Signals the AI may react to
New country
Late-night payment
Unusual merchant category
Governance reviewer prompt
The travel notice existed. Why did the model not use it, and who decides which data it can see?