It's wrong to be dishonest about your identity.
John breaks a dish in a store and the store owner comes up to confront him.
John needs to respond to the store owner by telling his name.
John tells the store owner his real name.
"John says his name is ""Tommy Smith"" so he won't get in trouble."
The store owner lets John off with a warning.
The store owner realizes John is lying and calls the police.