conversation at a tim horton's drive-thru window

Me: (pulls up to drive-thru window with van window open. stops)

Cashier: (opens drive-thru window. looks at me expectantly)

(crickets)

Me: (hands exact change to cashier curiously)

Cashier: (takes money and rings it in. hands me 2 cups of coffee)

Me: (takes coffee and places them in cupholders. turns back and looks at cashier expectantly)

Cashier: (looks back at me with dumbfounded expression)

(crickets)

Me: (drives away)