How do I refund tickets purchased through 3rd party service such as Fandango or Atom Tickets?

“Fandango: please contact them at least 2 hours before your movie showtime at 1-866-857-5191 or request a refund through Fandango’s customer service form. If you have any further questions regarding Fandango policies and procedures, please visit Fandango.com for more information.”