is a railroad employee placed in charge of a single coach, sleeping car, or lounge car on a medium-to-long-distance passenger train.
Their duties vary according to the type of car, but most typically include managing passenger seat assignments (in order to avoid separating parties of two or more), assisting the conductor with tickets, making announcements, opening and closing doors, assisting passengers with boarding and detraining, monitoring the safe operation of onboard systems, and generally ensuring the safe operation of the car.
http://en.wikipedia.org/wiki/Car_attendant

coachwork
is the body of a motor vehicle (automobile, bus or truck) which is built around a chassis, rather than being of monocoque construction. Another word is carrossery (plural: carosseries).
http://en.wikipedia.org/wiki/Coachwork
Although it is strictly the body of an automobile, it is particularly the comfort and luxury appointments as distinguished from the operational Chassis thus it would include the interior, seats, Upholstery, dashes, fenders, etc. -- everything but the mechanicals and the chassis. ...
http://www.motorera.com/dictionary/co.htm

"coachwork" image examples:
http://ghiacoachworks.com/share/coachwork.html


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Note added at 10 hrs (2013-09-06 16:41:24 GMT)
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"car attendant" image examples:
http://www.flickr.com/photos/mcbusby/7121587483/
http://blogs.e-rockford.com/chucksweeny/2008/09/27/sleeping-...
http://www.gettyimages.com/detail/news-photo/woman-dining-ca...