text: Luke: Are you busy?
  Lily: Not really. What's up?
  Luke: Could you please send me pics from our last shoot on the beach? I need them for an art project.
  Lily: I'm in the train right now. I'll send you them in about four hours, ok?
  Luke: Sure, thanks! :)
target: Luke needs the pics from his and Lily's last shoot on the beach for an art project and Lily will send them in about four hours as she's on the train now. 