Verb conjugation of "improvisar" in Spanish

All people held signs with names on them and on one plate I saw name, of course misspelled. I went with the person to his oldtimer car. We drove to his cottage and I was surprised about the nice reception.
When I finally arrived at my destination I still had the task of finding an accommodation. As my acquaintances where with me we started looking together, however we discovered that we were not on the same budget.
In addition it was a good opportunity to see Macau. Already at the airport a guy approached us and tried to convince us into a day tour with him. We explained that we had only three hours left.