What do you know about training others for weight-loss? When a person is looking to tone their body, they don't want to put on a lot of muscle, so how would you train them? You may not have a lot of experience with putting together training programs, but you do have the knowledge. Apply what you know!
"The top fitness goals of my clients are weight-loss and toning. FIIT training works well for some of my clients because it gets their heart rate up, builds muscle and it is something they can do on their own without taking up too much time. Generally I combine a cardio circuit with weights to build strength and boost metabolism."
You may want to go so far as to list off three to five exercises you would have your client complete on certain days. Be prepared to go into further detail.