Definately have a booking as mentioned above. If you want a 10% discount you can book it yourself. Below are the details tried to quote it from gecko_girl but failed miserably so cut and pasted it.
Book online via the Hot Guide (or via the mobile phone app) and get 10% discount on any Tropic flight, any time with no restrictions.
HOT Guide Belize - now on your mobile phone! Info, events, discounts & more - www.hotguidebelize.com