They should explain to you current market conditions, laws and procedures and how they can affect your purchase. You deserve to know what to expect so there are no surprises. They have established relationships with lenders and know which ones will suit your needs best. If you can't, choose which amenities you could live without. If the market conditions are favorable and you are Realistic, it should take less than six months to purchase a home.
Many buyers find a home in much less time than that.
If you feel your agent isn't listening to you, tell them. If they don't rectify the situation, find someone who will give you the service you deserve. It could prove to be the best money you've spent. You will be guaranteed better service if your agent knows you will be buying your home through them. If you work with several agents, you will lose their trust which could hurt you in the end.