This study aimed to explore and describe the process of dialogic regulation in conversational interactions. It were recorded on video 30 pairs of students together in unknown interactions that were oriented to generate a nonempathic or sympathetic handling situation, and four segments of conversation, two for each type of interaction, were selected. The text was analyzed with a protocol of semiotic analysis based on the analysis model proposed by Molina (2007). The results show that empathic interactions are characterized by a process of co-construction of meaning, with proper management of stress and an identification with the linguistic sign. Moreover, non-empathic interactions are characterized by the emergence of linguistic signs that do not continue the construction sequence of meanings, with high dialogic tension, and a strategy of distancing or abandonment of the meaning field.