as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
design a user interface that allows customers to pay for a subscription to a stream service.
user
the user interface should allow customers to select the type of subscription they would like to purchase, as well as specify the payment method. the payment method should be flexible, allowing payment via credit card, paypal, or other digital payment options. the user should then be able to confirm and complete the purchase. additionally, the user should be able to add and update payment methods, view their subscription details, and cancel the subscription if needed.
assistant