Translation of extenuate in Spanish

We wanted to take a hot shower but there was no hot water at all. We asked someone to fix it and he showed us that there was a heating switch outside the bathroom which would turn on the boiler.
Hi! Thank you for your invitation and for your very kind messages. I'm sorry but it is very late here and I prefer to write you tomorrow. When is the best time to chat? See you later than.
After an hour flight and 1000km further south, we landed in Calama. It was already 9pm and it was already dark. We still weren't at our final destination, but much much closer. We took a cab again to the city center.