Hello how may I help you? i need to check my cell plan I can help you with checking your cell plan. how much monthly data do i have I'll need your provider and cell number please. verizon, 555-555-5555 I show you are allowed 100 gigabytes per month. great, how much to add an extra 100 per month That would be double the amount and they currently have a special allowing you to "double your data" for an additional $10 fee. great, thank you It is a great deal if you think you are going to go over your allowed amount.