Complaining Customer, Round II

So today at work I got a call out to the main desk when I was covering for my manager. The exchange was suitably brilliant:

Receptionist: "Ah, Kieran, this lady here has a complaint about lane ropes."

Complaining Lady: "Hi there, I'm not sure if you're aware, but I have complained about this before..."

Me, in head: *Yes, I know, as one of times you did, you told *ME* that the service simply wasn't good enough and I wasn't doing my job properly...*

However, I grinned and bore it. Although she was still a pain...