Verb conjugation of "comisionar" in Spanish

I ordered a cab at four o'clock in the morning which took me to the Central Bus Station. I was much to early because the bus would go just at seven o'clock. Anyway I was sitting there and listening to music.
Let me continue to tell you about my adventures. So, as I have told you in my last writing I returned to the airport and scheduled a new date for my flight. This time I left myself five more days.
You come to a point where you have seen just enough, loved it and are ready to move on. It was one more ugly train ride to Hanoi. The train started rolling on time and we slept in our cabin again.