 The French also concur that the phrase is insincere . Author Natalie Schorr wrote that the French frequently say " bonne journée " — " good day " in French — and do not consider it to be insincere . Schorr explains that " bonne journée " is a " gracious <unk> de <unk> " , similar to <unk> and s 'il vous <unk> . However , " have a nice day " sounds like a trite phrase spoken by a telemarketer . 
