It took me a while to get my first clients when I first started. You have some great advice above! Giving parents coming for an interview an idea of what their little one will be doing during the day is important. Be yourself is the best advice I can give. When parents are looking for daycare, it's for different reasons. Some want structure, routine and know what they are going to be learning while with you. Then there are some parents who are looking more for that sense of comfort knowing they little one is going to get lots of one on one attention and caring more so than what they are learning. Someone will find you the right fit and feel comfortable leaving their little one in your care. Once you have your first client...it will get easier.
Good luck!!