Tam zawk chuan kan hmelhriat lo mai thei, Herb Kelleher hi US ramah man tlawm tea thlawhna chuang thei vek turin low-cost US carrier South west Airline chu 1967 kum khan a lo din a, Houston, Dallas leh San Antonio khawpuiah te service a beisei a, mahse a taka a service tan theih erawh chu 1971 ka piankum ngatah a ni. A lalpa hnena a chawlh hian kum 87 a ni.
source ‘BBC’