Requestor same as login info

Running RT3.4.5. on FC 5…

On the self service site is it posible to have the requestor be the same as
the login info?
For example we use a generic account called Sales for all the POS users (
it can be from 1 to 7 users; generally these users are part time staff, and
we just don’t wan’t to create many accounts so as to clog the database with
that many users).
So I am wondering if there is a way to have this happen, or it would have to
be through a scrip that populates the requestor info as per login info…

Thanks in advance

Carlos Lopez