"Hello, I just wanted to send a quick note about my driver to and from London to Bristol. He was professional and courteous.
He also was knowledgeable and entertaining on various levels and made the trip enjoyable. I assume the notes you get are more typical with
complaints, so I wanted to take the time out to applaud your company and the service I received. Keep up the good work and employees like this are an asset to your company! Regards, Mark"