The Decent by Jeff Long

"Ninteen Days into the trip, and Ike still couldn't link their spirit nicknames with the names in their passports. One woman, was it Ethel or Winifred, now preferred Green Tara, mother diety of Tibet. A pert Doris Day look-alike swore she was special friends with the Dalai Lama. For weeks now Ike had been listening to them celebrate the life of cavewomen. Well, he thought, here's your cave, ladies. Slum away.
They were sure his name--Dwight David Crockett--was an invention like their own. Nothing could convince them he wasn't one of them, a dabbler in past lives. One evening around a campfire in northern Nepal, he'd regaled them with tales of Andrew Jackson, pirates on the Mississippi, and his own legendary death at the Alamo. He'd meant it as a joke, but only Kora got it. "