Mezzo-soprano audition song help please?

So i have and an audition coming up on the 23 its the 11th now its not really anything special just in a children's theater that im grunted a spot but i'd like a good audition. So a few things 1)im a mezzo-soprano 2) CAN NOT BELT 3) its for oliver twist 4)im 14 be 15 in july so i need something I can relate to auditions are always better that way. Thanks!!