Control: "flobachambulance, we have a female with a sore knee for you"
5 minutes later...
Control: "flobachambulance, we have a higher priority job for you, here you go"
Control: "otherambulance, please take over sore knee job"
3 minutes later...
Control: "flobachambulance, your job has been cancelled, you can head back to station."
Easy.
