Driver was hard to find at LGA. Not far from airport, he told me to remember that he needed 8 for toll bridge/tunnel and additional money for his tip. I wasn't aware that I had to pay a bridge or tunnel toll. Asking for a tip is pretty brazen.
Driver arrived to our hotel on time. Very friendly and professional. Got us to the airport in excellent time (we had an early morning flight).
Super convenient to have transportation scheduled to hotel in city. Call from airport when you arrive and driver outside in few minutes curbside.