answer: #Person1# wants to borrow some books and tells #Person2# that #Person1# lost the library card and forget the card number and library website username.
documents: #Person1#: I was looking for books on small business startups and I think these are perfect. I'm going to start my own company in my back office.
  #Person2#: That sounds interesting. So you'd like to check all these out?
  #Person1#: Yes, for a few days at least.
  #Person2#: No problem then. I'll just need to see your library card.
  #Person1#: I'm afraid I've lost it.
  #Person2#: That's alright. Could you just tell me your library account number?
  #Person1#: I'm sorry. I don't remember it.
  #Person2#: We can look it up for you. Just give me your username for the library website and I'll find your account number.
  #Person1#: Oh, dear. I don't usually use the website.