dialogue: Tom: hey how are you?
  Sharan: i am good and you?
  Tom: fine thanks, ok .. so i need a favor
  Sharan: yes go ahead i will try to do what i can
  Tom: so i am planning throw a surprise birthday party for Kate..
  Sharan: wow thats a great, how can i help?
  Tom: i dont know all her friends so i need you to invite them all and let them know its a surprise party
  Sharan: oh sure thats not something big, i can do that for sure
  Tom: thanks a lot
  Sharan: my pleasure, is there anything else i can do ?
  Tom: hmm.... thanks for asking but i have arranged for everything 
  Sharan: oh good so send me the party details so i can send those to her friends
  Tom: oh yes i would send a e-card have designed with all the details in a while
  Sharan: ok i would wait for that.
  Tom: and please confirm the no. of guests so i do arrangement accordingly
  Sharan: sure i will
  Tom: and i dont have to mention that but still you are also invited 
  Sharan: offcourse :)
  Tom: <file:jpg> here is the card
  Sharan: every nice <thumbsup>
  Tom: thanks 
summary: Tom will throw a surprise birthday party for Kate but he doesn't know all her friends, so Sharan will invite them. Tom sent Sharan a card with all the details. She will confirm how many guests are coming.