que?!
Fam flights? Familiarizatioin flights? This is what people do during line training and is nothing that can be available to anyone outside the organisation conducting them.
I guess you mean that you want to do a Jumpseat ride... Regulations on this are much tighter nowadays and it's really hard to figure out a way to get to the other side of the door unless you know someone or the company has a less restrictive policy (I know some swedish airlines that have very open policies about this).
/LnS