Well lets see a short reed is the way to go but i will help you out abit. first thing you need to get is the video honker talk this video helps you A to Z!
it will tell you how to choose your first call and explane the diffrernces in the calls. Somthing to keep in mind is boar size of the call the larger the diamater the more air you have to push through the call obviously harder to blow!!! the main thing when blowing a goose call is back pressure!!!
as for what calls to buy I cant tell you what to buy but the Zink sr 1 is a good choice but way to spendy for a beginier so it's your choice
I PM'ed you