text: Caroline: Can you pick up Laura from school today? 
  Caroline: I need to stay longer at work... 
  Tom: Ok. What time?
  Caroline: 3 p.m. 
  Tom: Hmm.. I won't make it at 3 p.m. sharp coz I'm still with the clients... 
  Caroline: so, what time?
  Tom:  3.30 if there's no traffic. 
  Caroline: Ok, that should be fine ;-) 
  Caroline: Just text her about it, ok?
  Tom: No worries!:*
target: Laura requests Tom picks up Laura from school at 3.30 pm after he finishes his meetings. He will let Laura know beforehand.