One embodiment provides a method, including: receiving, at a conversation agent, text-based input from a user and beginning a conversation between the user and the conversation agent; capturing at least one facial image of the user and analyzing the facial image to extract eye gaze information and facial expressions of the user; identifying, within the text based conversation, a concept of interest to the user, wherein the identifying comprises analyzing the eye gaze information to identify a position within the text-based conversation and determining the concept corresponding to the position within the text-based conversation; determining an emotion of the user in relation to the concept of interest, wherein the determining an emotion comprises analyzing the facial expressions of the user; and providing a text-based response to the user, wherein the text-based response is formulated in view of the determined emotion and the identified concept of interest.