Gunnar the Storyteller in : "I never can say goodbye"

 One day Gunnar the Storyteller went to the bakery.

 Gunnar : Hola, ¿me pone dos barras de pan, por favor?

 Baker : I beg your pardon?

 Gunnar : Dos barras de pan, por favor.

 Baker : I don't mean to pry, but why are you speaking in spanish?

 Gunnar : Wait a minute, you mean this is spanish? But if that's so... which language was I speaking the other day in Johannesburg?