Dynamic Linking

I’m really how to refer to what I want to do, hopefully I can explain myself.

Basically, what I want to do is create a form, where the person enters their name, then when they hit submit, it takes them to a link that automatically appends their name to the end of the link.

So say the link is “http://www.something.com/”. Then the user enters their name, Billy Brown, for example, and when they hit submit, it takes them to “http://www.something.com/billy-brown”.

Does anyone know how I might be able to accomplish that?