The dialogues are an important part of Harry Potter: Hogwarts Mystery. You can choose your desired dialogue option by tapping on it. Your chosen dialogue option will determine if the chosen character will like or hate you and if your character has managed to impress him.
Certain dialogues affect not only your hero but each one of his friends. A despicable behavior towards a teacher can lead to a loss of points that are needed to advance in the ranking. If your house lost some points because of you, your friends will be unhappy and your relationship will suffer.
Some of the dialogue options in Harry Potter: Hogwarts Mystery are marked with additional markers reflecting the dialogue's influence on the given hero or depicting abilities that will be used during the dialogue. Some of the dialogue options can only be used after reaching a certain level of knowledge.