Getting Contacts For The First Time Tomorrow?

After wearing glasses for a couple years i decided to try out contact lens. I called the eye doctor’s office and they told me to come in for a contact fitting to get them. Is it that simple or what exacly will they do since i had my yearly check up on January. Also, how much will it cost since i have astigmatism on both eyes? any answers will be appreciated. 10pts for best answer