You need to call back next week. We will have your results then.
The lab hasn't sent us your results. We'll call you when they come in.
I'm sorry you haven't received your results yet. You had blood drawn two days ago, correct?
We can't call you with results we don't have! Someone should have told you that we wouldn't have the results until next week.
You need to...
It's company policy.
That's just the way it's done.
Prefer to talk about yourself.
Care about his or her concerns.
Consider his or her problems unimportant.
Have your own problems to deal with.
Keeping loyal customers is less expensive than finding new customers.
Keeping loyal customers is more expensive than finding new customers.
Keeping loyal customers and finding new customers are equally expensive.
Are paying attention.
Are busy with other matters.
Have other customers to deal with.
Are not responsible for his or her problems.
Not taking responsibility for a customer's problem.
Blaming someone else for a customer's problem, and referring the customer to your supervisor.
Making promises to calm a customer down, whether or not you will be able to follow through on the promise.
Following up with a customer to make sure his or her problem was corrected.
Satisfied with the customer service at your facility.
Delighted with the customer service at your facility.
Dissatisfied with the customer service at your facility.