-Keep calling her and selecting "Do Not Save". She will tell you not to call her for no reason, and also give you funny faces if you continue. Also, call her from the woman's bathroom.
-Follow Meryl into the bathroom but don't go into the stall. Call Mei Ling up on the Codec and she will yell at you for being in the women's bathroom and tell you that she will not allow you to save (however, she will allow you to do so).