Final answer:
When a custie asks for a "Caramel Frappuccino" as a barista, you should respond by acknowledging their order and asking for any customization.
Step-by-step explanation:
As a barista, if a customer asks for a "Caramel Frappuccino", you should respond by acknowledging their order and asking for any specific customization. For example, you can say, "Sure! Would you like whipped cream on top?" This response shows that you are attentive and ready to fulfill their request.