Because of its white background, it will highlight your content against gray-ish background.
Be careful about the description, users tend to skip it. If you need to tell something really important, it’s recommended to use Informational Alert
Card with sections
Card sections allow you to create separate sections in every card when you need to create more advanced content structure.
It can be great to use it in Passenger card when you need to split form with personal information from baggage or insurance section.