text: John: Hi Hun, just please don't panic.
  Allison: What happened?
  John: Were @ the emergency, Tommy fell off the monkey bars.
  John: It seems like he broke his arm.
  Allison: OK, I'm leaving the office.
  John: Just please don't drive, take a taxi.
target: Allison is taking a taxi from her office to the emergency, as Tommy fell off the monkey bars.