TBH, you may have a problem as some hotels take a swipe of your card. But why give a false name when hotel booking can be traced back to you through your card. Just doesnt make sense, as it will also show on your card statement.
You may be able to exploit the 'booking for someone else' option on either Travelodge or Premier Inn, like a parent booking for a child (over 18). There may be the option where your card guarantees the room but on arrival you pay cash too.
Whatever you do, some element will be traceable to the authorites. Everything is these days, even your car entering the car park at the hotel.
Others may have other experiences, I tend to book a room when I need to be there overnight, so it's less obvious, rather than check in, have a furtive shag, and clear off. In cases like that, you need to cover yourself in case the fire alarm goes off and there's a roll call !!!!