Many high-end restaurants in NY, CA, Berlin, Copenhagen, etc. require a deposit. See Tock (all prepaid, https://www.exploretock.com https://www.exploretock.com)

Many high-end restaurants in NY, CA, Berlin, Copenhagen, etc. require a deposit. See Tock (all prepaid, https://www.exploretock.com https://www.exploretock.com) or Resy (some prepaid, some cancellation fee, https://resy.com https://resy.com).