The President was 'assisted' with his speech. = The President was 'assisted' in writing his speech.
a doctor who has been involved in several 'assisted suicides'
Another doctor 'assisted' him with the operation.
(..) One point has been removed... l know! ...from your license. This is so stupid! All units assist in pursuit of Yellow Cab. Unit . On the way... As soon as we finish lunch. Two golden menus. l'm too old, too tired and too hungry (..)1997 The Fifth Element