A: Hi, I'm out of here. Here's my key.
B: Give me just a few seconds, sir, and I'll hand you your receipt. Here you are.
A: I thank you.
B: I hope you enjoyed your stay, sir.
A: I only had nine little problems here. Other than that, I enjoyed my stay, and I loved the city.
B: I apologize again for the cockroaches, sir. I hope you have a nice trip home.