Consider one of American Express’s company values — “Customer Commitment”. Ideally, if you’ve had a positive experience with one of American Express’s customer service reps, you’ve seen this value displayed first-hand.
Alternatively, take a look at one of Google’s values — “Focus on the user and all else will follow.”
Any Google search will show you they stand by their purpose to serve the user. Undoubtedly, you find most answers to your common questions on page one of Google, and more recently, it’s likely separated in its own featured snippet, as well.