Provide the theme summaries for the following conversation: 

Donald: Why weren't you at work?
Ralph: I had a dental appointment
Donald: Did it hurt?
Ralph: Luckily, no
Ralph: The dentist is a master of his craft.
Ralph: I highly recommend him
Donald: good to know, I need to visit him one day
Ralph: How was your day at work?
Donald: boring shift as usual.
Ralph: Ya, this quarter is quite dead.
Donald: hopefully the next one will be more fruitful
Ralph: this year it can go either way
Donald: patience is the key
Ralph: You're damn right :P

Summary: 
Ralph missed work as he had a dental appointment. The procedure was painless. Donald had a boring shift at work which is typical for this quarter.