To dream that you trip on something indicates that something is out of order in your life. Things are not going as smoothly as you want, especially when you are faced with obstacles. The dream may forewarn that you are about to make a mistake in some waking decision.
To dream that you are going on a trip suggests that you are in need of a change of scenery. You are feeling overworked and need to take time out for yourself for some fun and relaxation. Alternatively, the dream means that you are looking to explore a different aspect of yourself.
To dream that you are on a business trip suggests that you are having a difficult time trying to relax and being at ease. You may be feeling overwhelmed.