You shouldn't trick someone into doing your chores.
Paula told her roommate she would clean the house today but her friend just called her and asked her if she wants to go get drinks with her.
Paula wants to go hang out with her friend.
Paula tells her roommate she was invited for drinks and asks him to help her clean the house, so she can go out as soon as possible.
Paula tells her roommate she is not feeling well and can't do the cleaning today, then quietly leaves the house while her roommate is doing the cleaning.
Paula's roommate is happy to help her clean the house.
Paula's roommate realizes what Paula did and feels taken advantage of.