I am a little stuck with my workout. At the moment I manage 30 minutes on the cross trainer at level 4, 15 minutes step at level 6 and 15 minutes on the treadmill (half jog, half power walk). I’m trying to lose weight (21 years old, 213 pounds) and in the past have enjoyed doing classes but unfortunately my gym does not offer them at times I am available. The trainers are also frequently too busy, well, training, to direct questions toward. I was just wondering if you had any other cardio routine suggestions so I can shake it up a little.

Any help is appreciated.
Thankyou 🙂
You are missing two key components:  strength training and nutrition.
You did not mention your nutrition, so I’m not sure how you are eating, but since you didn’t bring it up, it gives me the signal that you are not putting as much emphasis on it as you probably should.  Weight loss is all about calories in and calories out, so if you are busting your butt on the cardio machines to burn the calories, but are eating them right back, perhaps even plus some, you will not lose weight and can possible continue to gain. 
Repeat that, everyone. 
I wish I could tattoo that on everyone’s forehead.
Check out this post to find out how to calculate how many calories you need per day to lose weight for your size and age.
The cardio sounds good, but you are missing the other half: strength training.  Strength training isn’t about getting big muscles, and something to be ignored if all you want to do is lose weight.  Strength training builds stronger bones and muscles for all around health, but building muscle is going to give you a firm appearance that cardio can’t do, and that muscle will increase your metabolism so that you burn more calories all day long- even while you sleep.  To learn more about why strength training is important, read this post.
Another thing:  a gym’s job is to help you use their facility properly.  A trainer will probably not sit down with you and develop a workout plan for free, but they should show you around and how to properly use the equipment.  Don’t be intimidated- it’s their job and they should be willing to help you, or direct you to someone who will.  If you do want a specific plan for your body and goals, or haven’t strength trained before, consider buying one or two sessions (or see if you received any for free with your membership) to get a plan going and learn proper form before setting out on your own.
Great job on setting deciding to get healthy and actually following through.  Watch your calories and choices (Fruits! Veggies!) and don’t skimp on the weights.  In addition to your cardio, and because of your age, you should see results pretty quickly if you stay consistent.
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