Hello how may I help you? I want to change my service plan. Sure. Can I upgrade to something that gives me free calling 24/7? What's your account number? 123-456-7899 Checking. yes you can upgrade your plan for $250. You can also choose to go with the $550 plan that includes free internet. I think that $250 plan would be best for me. Great. Updating your plan now Thank you! Glad to be of service.