"You're the one who was given the wrong package. Well, go ahead and pick out the right stuff and all will be fine."
In response to being told that some equipment in a hotel room didn't work: "Sure."
When customer from across town appeared for appointment and the employee who was supposed to meet with the customer was absent: "We tried calling you an hour ago. We aren't sure when she'll be back in so we can't reschedule."
When a customer called in on April 25 to set an appointment: "Our computers have a problem so you'll have to call back on May 1."