#120 build on your 'How it works' page infomation.
The icon is a merging of a price tag/reservation tag etc and the fingers that you wanted as well. The fingers is arranged in a way it gives a picture of a statistics design element. -low price/high price. i.e the clients can make their choices-discounts.The whole look like the hand is holding a mouse with finger ready to click : e-commerce.
The knot is what give the feeling that you have booked... it is yours: strong grab opportunity.
The fingers also gives a view of some booth present there.A logo with many relating interpretations...but all going in your business direction.