Verb conjugation of "einbehalten" in German

The bus left Havana and drove westwards towards a place called Viniales. After a short two hour ride we arrived there and once the bus entered the terminal we were greeted by dozens of people.
As promised, I am sending you in the attachment a (very) little overview of some applications we created on Vocabulix. Please send me also some infos about your activities. When would be the best time to talk?
The door of the car was still open, so that he could not drive away. Luckily, two foreigners walked by and we were asking them to help us out. They payed for us and warned us that these situations were common.