Translation of conspire in Spanish

In the early morning, before going to the airport we went to the travel office of the Vietnamese airline company to avoid about possible problems with the entry. They assured us that everything was fine.
Just as we finished exploring the temple and were about to leave the big tourist buses arrived. We listened to a Cambodian song played by a group of handicapped musicians and left to see other sites.
Hi George, I speak a little bit of English but not very well. Can you correct my mistakes if I have any? I will help you with German. Writing is important, it helps to focus. Thank you for your answer.