Most of what you describe here falls under the umbrella of niceties/etiquette or smalltalk. It's meaningless fluff, not to be taken at face value. How are you?

Most of what you describe here falls under the umbrella of niceties/etiquette or smalltalk. It's meaningless fluff, not to be taken at face value. How are you? (person does not actually care) Great! (person is not interested in detailing the good or bad in their life or day)