Translation of mercy in Spanish

I am Spanish Teacher. I graduated last year, in August. I studied mostly in Germany. I have been working for nine months as a teacher in many language schools but soon I will be a student again.
It might be that after all the view and the atmosphere could had been spectacular if we were the only one on this temple and experiencing a great sunset on this huge structure. But is was not.
We than found out that a plane was leaving 3 hours later to the city of Calama (with the national airline), which was the closest airport to our destination. However, only one seat was available. That was really annoying.