call paper panel telephone call panel panel organize th international pragmatic conference hold july reim france panel entitle telephone call unity diversity conversational structure across language culture aim aim panel bring together researcher work telephone call different society conversational datum different language present finding compare contrast those researcher work language different culture discuss similarity difference paper adopt comparative perspective especially welcome anyone interest offer paper panel invite write either organizer whom query further detail conference address panel organizer theodossium soulum pavlidou department linguistic aristotle university thessalonikus greece pavlidou light auth gr k k luke department linguistic university hong kong pokfulam hong kong kkluke hkusua hku hk 