Translation of premature in Spanish

Our main destination was not Cambodia and we had actually decided in the last minute to add this country to our trip. We were very happy about our decision and enjoyed every moment here.
I have studied at the faculty of Engineering. Just tell me about your difficulties and I'll try to help you. I would really like to help you with learning English. Kind regards and speak to you soon.
There was an extra seat available (the last one apparently). We were so glad. 45 minutes later we sat in the place, eighty percent of the plane was empty. They really need to update their system.