You may never have heard of Herb Kelleher, who passed away in January this year aged 87, but you will most definitely have been on the receiving end of a service phenomenon instigated by Kelleher. Kelleher was the co-founder and former CEO of Southwest Airlines which started from Texas with just four planes in 1971.  The model he developed of keeping things simple (no seat allocation), turning planes around in less 10 minutes (he took his people to watch how…