dialogue: Charles: Hi! Would you like to go to the opera next month.
  Carol: Anything in particular?
  Charles: Carmen
  Carol: I've always wanted to see it! Let's go
  Charles: Are you ready to pay a bit more for better seats?
  Carol: in this case I am.
  Charles: Ok, I'll book them and let you know.
  Carol: ok
summary: Charles will book tickets for Carmen for himself and Carol.