Create a conditional form like on http://www.getwashio.com/

REQUREMENT: Please show us a working example of a similar job you have already made. We need a conditional form like on [login to view URL] 1. please insert zip code if zip code is wrong, it says sorry we don´t service that, please subscribe to the newsletter if zip code is correct, it sends you to 2 2. please select your subscription, what days you are available, etc: form, radio, and check buttons. 3. connect with chargebee for credit card payment It needs to look like the one washio has, please show experience creating something like this, if you use a plugin that´s fine, as long as the form works perfectly. Thank you