Hello how may I help you? I want to change my calling plan I would be happy to assist what would you like to change? I want to plan that offers free callingI 24/7 okay we have one that fits . its 39.99 a month but you only pay for internet and texting Yeah sign me up for that Consider it done. Can I help you further? Is there a prorated charge for this month? Yes How much is that going to be? 50 cents