Junior in Office

A Junior in office dialled his boss's extension by mistake & said:
Hey, send a coffee in my cabin in 2 min 
Boss Shouted: Do u know whom u r talking 2? 
Jr : No!
Boss: I'm the BOSS 👺
Jr (in same tone): do u know whom u r talking to?
Boss: No!
Jr : THANK GOD (& disconnected) 😆