answer: Penny moves in and meets Leonard and invites him to bring his family to have a coffee at about 4.
documents: #Person1#: Hello! I'm Penny, I moved here just now.
  #Person2#: Oh, Penny, I'm Leonard, glad to meet you.
  #Person1#: Nice to meet you, too. I thought I should come and say hello to you. I haven't known anybody.
  #Person2#: It is hard to get used to a new place, isn't it?
  #Person1#: Yes. Would you like to come here later to have a coffee? Bring all your family.
  #Person2#: We'd like to. Can you tell me when we go?
  #Person1#: About 4.
  #Person2#: OK. Do you want us to bring something?
  #Person1#: No, just come here.
  #Person2#: OK, see you later.
  #Person1#: Bye.