Macro for Searching Columns

[tacnola]

I have a button named "Search Last Name". The funtion I want it to perform is; When the user clicks it, the search field entry box will appear. they will at that time be able to enter a name to search for. After that it is a manual operation so that the Last Name field will filter to only those names. Seems easy enough, but I can't get it to work. I don't know how to write VBA, so I am lost from this point. Please look at my attachment and tell me if what I am looking to do is feasible.
Thank you for any help that can come my way.