If you're afraid to fly then its quite possible taking a helicopter ride is not for you. Its one thing flying in a airplane, but you'll really be going through the emotions in a helicopter.
So if you're scared to fly then its probably best you forget about a helicopter ride.
If you don't have a history of flying and you're just a little nervous to fly; then that's OK, its perfectly fine to be nervous as many people are.
Instead, you'd want to get your head on straight by forgetting about flying, all while remembering the wonderful sights you'll get to see.