This is an actual conversation:

Starbucks employee: Hi...welcome to Starbucks what can I get started for you?

Me: I'd like an iced grande black tea lemonade, No sugar please

Starbucks employee: With sugar?

Me: No...noooo sugar please

Starbucks employee: (no response for a couple of seconds) Sorry we are out of black tea

Me: Really ?!?! (I'm laughing)

Starbucks employee: Yes

Me: Okay...I'll take green tea lemonade

Starbucks employee: (no repsonse for about 10 seconds) We don't have any lemonade

Me: (Laughing uncontrollably) Let me ask you a question...do you have ice?

Starbucks employee: Let me check