1. My flight was overbooked. (overbooked = there were too many passengers and not enough seats)
2. My flight was delayed/canceled.
3. My luggage was lost.
4. I was jet-lagged. (= I felt tired because of the time zone difference between my origin and destination)
5. My hotel was in a seedy area. (seedy = possibly unsafe)
6. I was mugged. (= I was robbed on the street)
7. The weather was miserable.
8. I got the runs. (= diarrhea)
9. The place was a tourist trap. (= made only for tourists; not authentic)
10. I couldn't wait to get back home.