Dialogue means a conversation or discussion Or a conversation. A conversation is an informal talk between people Or, perhaps a talk.
Dialogue is conversation with a purpose.
The art of SAR interviewing can be expressed as getting information in a timely manner, from a distraught or distressed person, and leave them feeling better than before the interview. To do it right, try to see from other viewpoints. Impartiality in listening to points of view is a great aid in the making of good judgements about what is being discussed, and this requires that we honestly to see things through the other person's eyes. It quite possible to form and hold a strong opinion of our own and yet realize that it is after all, only one point of view. Good dialogue requires common substance, a topic, and a lots of goodwill.