Sounds about par for the course for a first day. Fortunately (or unfortunately
They're usually a little happier than a rideshare pax because you're bringing them a bit of instant gratification, they don't intend to offer a gratuity of any kind (they're somewhat happy about that), and if they do interact with you it's only for a brief few moments. Most say thank you.
Try it again and see. Next run might not be as bad.