Excellent service when it turns up. I booked your ...

Excellent service when it turns up. I booked your service as a surprise for my travelling companion. It was his birthday on the day we arrived at Heathrow. We ended up having to wait some 15-20 minutes for the driver to turn. We where the last ones left in the arrival hall. Very disappointing, doubly so as we had just got off a 14 hour flight from Singapore. I will think twice before using you again.