You should have checked at the start of the call that they’re the decision maker, If you did and they’ve said yes, then refer back to that initial answer.
Then, dig deeper…
"Can I ask, is there something else you may be unsure about?"
Response from client
Handle Objection
"Can I ask, right now, out of 10, how serious are you about outsourcing in your business with a Doer?"
Response from client
Handle Objection
"Can I ask why? What would make it a 10?"
Response from client
Handle Objection