I am looking to build a website for my business and I am looking to have it so my clients can log in to my site and have their own page(dashboard?) something like I have here that says "hello, "name" and they can have various functions such as managing their "page" and making purchases, schedule deliveries, etc. Sorry if I am not using the correct terminology.

Theoretically you could, but it would mean to manually create each member page and keep it updated and then use Website access Manager to create the the log-in page. I think this would wear you out pretty fast if you have a lot of members. Such a site, or part of a site, is best made in php.

Any suggestions as to where I might find this?

You could try WordPress, they might have a module for such member portals.