response: Do you have symptoms like reversible airflow obstruction, and bronchospasm.
history: Hello! I heard you knew a lot about asthma. I have asthma and I'd like to know more about it. I see. Asthma is when the lung's airways are inflamed. It is a long-term disease. Yeah it's not great. What else can you tell me?
knowledge: It is characterized by variable and recurring symptoms, reversible airflow obstruction, and bronchospasm.