This exchange can be considered an example of good conversation because it is simple and goes to the point. The speaker tells his friend the news without making the sentences too long, which could cause the listener to lose interest.
At the same time, the conversation in not unilateral, on the contraty, it goes on an forth, giving both parties a chance to speak.
Finally, the listener seems genuinely interested in what the speaker is about to tell him; and the speaker is happy with his friend's response.
