text: Martin: hi
  Tony: hello
  Martin: i was wondering if you'd like to go with us to Oslo..
  Tony: with us?
  Martin: with me and my wife
  Martin: of course you and your wife
  Tony: hmm
  Tony: when do you go there?
  Martin: for Christmas
  Tony: oh, im sorry, we have to visit our parents
  Tony: but thanks for offer
  Martin: no problem
  Martin: if you change your mind just let me know
target: Martin and his wife are going to Oslo for Christmas. Tony is visiting parents, and can't go.