The Vikki and Vance floor manager was hired to make the casino more approachable and guest friendly. The casino does this by having their floor manager give out special prizes.
The Vikki and Vance floor manager will give the Courier more chips to encourage them to gamble. Chips will be given if the the Courier wins some money. Winning too much and breaking the bank, however, will cause the floor manager to ask the Courier to stop gambling at that establishment.
Big Winner, Vikki & Vance: After winning 625, 1,250, and 1,875 chips from gambling, the floor manager will reward the Courier with special prizes. However, after winning 2,500 chips, the Courier is banned from any further play at the Vikki and Vance Casino.