Abstract
Communicating to others towards text which is as the result of discourse is everyone need. In producing text, there are some factors affected. Context which is one important influential factor needs to be analyzed. On the other hand, conversation as a media of exchanging meaning among the speakers are done in order to fulfill speaker aim. Pragmatics that learns meaning is seen as the best media to learn meaning produced by both speakers related to the context. By using interactional sociolinguistics, as a part of conversation analysis in pragmatics, this approach takes pragmatic and sociolinguistics aspects of interaction, as well as adjacency pairs, turn-taking and sequences, giving importance to the way that language is situated in particular circumstances in social life. Based on the analysis done, it maps out that interactional talk claiming common ground with vague reference as a marker of both speaker friendship. Key words: Interactional Sociolinguitics, Casual Conversation, EFL