Liz wants to quit smoking. She consults a therapist, Dr. Jones, who develops a specific treatment plan for her. The treatment involves several components: (1) modeling and role-playing to help Liz learn how to overcome the urge to smoke in social situations; (2) sessions in which Liz identified her beliefs and automatic thoughts regarding smoking and learned how to modify those thoughts; and (3) helping Liz change her automatic responses to situational cues that prompted her to smoke. Dr. Jones is probably using:

Cognitive-behavioral therapy: In psychology, the term cognitive-behavioral therapy is also referred to as CBT, and is defined as a goal-oriented, short-term method of psychotherapy treatment that deals with the rational or practical approach or method to problem-solving.

The main aim of CBT is to change an individual's perspective or thinking or behavioral pattern which is the reason for an individual's difficult to change the pattern of thinking and behavior.

In the question above, Dr. Jones is probably using cognitive-behavioral therapy.