Lyndash: We will be on the RS' Best of Eastern Europe Tour which begins in Prague, so when we received our first hotel, there were suggestions to the hotel, One of which is the following:
https://www.prague-airport-transfers.co.uk
There were several options for paying: pay the driver in cash or charge, or pay ahead of time, which is what we did because we decided it was simpler. We figured they are reputable if RS is suggesting using their service. There are 2 of us, with 2 carry-on size suitcases + 2 totes.