Drive to the hotel was ok but a booking through an intermediary with a voucher is not really comfortable. I would prefer a direct booking - so next time, I'll do it by myself.
I used this service to pick up my young niece and nephew. The service was not bad until the driver requested $15.00 more at the hotel which was near the White House. If I had not been waiting at the hotel, he probably would have gotten the extra amount. I asked him what was the extra charge for and he said he was just told to charge it. I told him that I had already paid for the service and refused to pay it. Next time, I will just use a taxi.
Once found outside the airport, a very professional drive/transfer.