Translation of cashier in German

I was never there but I heard that the night life is very exiting. I am going to Amsterdam next year with my uncle. He will return to his house where he was born. I think to come to germany next year but I don have any idea
I can understand a little Spanish with the base of Italian and heaps of words sound familiar. I will try to have conversations as much as i can. Just learning the vocabulary and the grammar isn't enough!
We exchanged numbers and they offered that we should contact them once we'd arrive to the capital. After dinner we bought some chocolate in one of the many stores, but it was not tasty, compared to Swiss chocolate.