You obviously can set a limitations to the maximum number of tickets to be sold for a particular ticket type. You can do this by managing the total capacity number. The total capacity will determine the maximum number of tickets to be sold.
Login to your eventflavour account and navigate to My Account >> My Events >> Select the event you want and edit.
Find the “Venue Capacity” under the Venue Space Capacity & Features section and update the capacity.
Save your changes. The Venue Space Capacity & Features for an venue will be halted once the total capacity is reached.