curl --request POST \
  --url https://api.traceloop.com/v2/evaluators/action-advancement/execute \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "input": {
    "messages": "[{\"role\":\"user\",\"content\":\"Book me a flight to Paris\"},{\"role\":\"assistant\",\"content\":\"I found 3 flights to Paris. Booking the cheapest one now.\"}]"
  }
}
'

{
  "pass": true,
  "reason": "The assistant advanced the user's goal by booking the requested flight"
}