How do you break up with someone you still want to ba friends with?

i really need to know how to break up with someone because i like someone else and its not working out please help!!How do you break up with someone you still want to ba friends with?
just b like babe u kno its not working we need to jus chill and just be cool on each other from now on then make sure he understands wut u trynna sayHow do you break up with someone you still want to ba friends with?
if its not working, then ignore him..and when he asks ';what the hell is up with you?'; then you tell him that you are just not interested anymore.