This woman can have fun with the wrong number callers. Give them fake information, tell them the travel service went bankrupt etc.
LordNod, when people call about pizza why not have some fun as well?
Here's some stuff to say:
"We're running a special today 5 pizzas for $20 and a free bottle of soda."
"Congratulation's you are our 1,000,000th caller. You won $10,000 and free pizza for a year. You must come down to claim your prizes."
"Thank you for calling Dominoes" (confusion at the other end)
"You got the wrong number. The correct number is <give them the number for the voice bridge or a phone test line>"
Or you could take their order and then call the Pizza Hut to place an order with their name and address. This is where caller ID spoofing comes into play. Then add more stuff to their order.
"I didn't order 4 pizzas, only 2. Extra anchovies???"
Since people have to give their name, address and phone number, call every pizza place in town and have the same stuff deliver to their house.
MIB