"My driver was right on time ( I was a few minutes late) He did an excellent job negotiating the Heathrow traffic and I think I even got a little nap in on the way.
I'm not leaving a tip here, since I gave hime one when he dropped me off at the airport."
"I expected a nicer car, but it was ok. We needed to go the airport in time and that we did. The driver was really nice, so I gave him a tip. "