Provide the theme summaries for the following conversation: 

#Person1#: Why, Mary Smith! I haven't seen you for ages. How have you been?
#Person2#: John, John Brown! It has been a long time, hasn't it? It must be at least a year.
#Person1#: No, we talked at the Johnsons' Christmas party last December. Don't you remember?
#Person2#: That's right. Well, how are you? Still working for the food company?
#Person1#: No, I changed jobs three months ago. I'm with the National Bank now. How about you?
#Person2#: I'm still teaching at the university, but I moved from the German Department to the Spanish Department. Well,how is your family? Are the children all in school now?
#Person1#: No, Billy is still at home. Tom is in the third grade and Jane's in the second.
#Person2#: Our two children haven't started school yet, either. But they will go in the fall.

Summary: 
Mary Smith meets John Brown unexpectedly. They haven't met since the Christmas party. They talk about their job and family.