How can I find a host family can host me and my husband with no pay in Florida ?

We are a amily from IRAQ , we want to come to Florida to get a medical tratment for my husband , he is sick , we just need to place to stay in during our short visit to Florida , we can't pay hotels bills , so please find a family can host me and my husband for free just for these 2 weeks in Jacksonville in Florida , by the way I'm pregnant and my husband need to me and I must be with him , thanks for your cooperation.