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 the player to gamble. They will be given if the player wins some money. If you win too much and break the bank, the floor manager will ask the player 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 you with special prizes. However, after winning 2,500 chips, he bans you from playing at the Vikki and Vance Casino.