answer: #Person2# is waiting for a friend. #Person1# tells #Person2# that #Person1# is waiting for #Person1#'s younger sister. Then they talk about #Person1#'s sister and #Person2#'s plan after University.
documents: #Person1#: Excuse me, is anyone sitting here?
  #Person2#: Erm..no, I'll just move my bag.
  #Person1#: Thanks, how long have you been waiting?
  #Person2#: Oh, about half an hour. I'm waiting for my friend to meet me. How about you?
  #Person1#: Oh, I've just got here about 3:30. I'm picking up my younger sister, she'll be arriving on a 4:00 o'clock bus.
  #Person2#: Where is she from?
  #Person1#: London. She's studying there.
  #Person2#: Me too. I'm studying business at the London School of Economics.
  #Person1#: She studies photography at the London College of Fashion.
  #Person2#: Yes, I know it. It's a very famous college. She must be good.
  #Person1#: Maybe, all I know is that she is always asking our dad for money to buy new cameras or something. What do you plan to do after University?
  #Person2#: Well, I might work in a cafe called the blue. But if possible, I'd really like to travel for a year, maybe to... Oh, I'm sorry. I've got to say goodbye, my friend just arrived. Well, it was nice chatting with you.