It sounds like he really isn't hearing you, and to be honest if you are finding him unwilling to listen to your needs at this early stage, that can't bode well for your therapeutic relationship.
Is the ASD your primary reason for being in therapy? I wonder if it might be worth trying a therapist who doesn't specialise if you are finding the options limited (perhaps even not disclosing until you have met, so they have the opportunity to meet you as a person, not a diagnosis). I know there are others on this site with ASD who see more general T's.