Exercising my bank account

<p>I contacted Planet Fitness, at the beginning of November 2016, in order to cancel my gym membership as my two year contract had expired. However they debited my account at the end of December 2016 for gym membership fees. I contacted the call centre in order to query the charges and received two conflicting responses, the first was that when the gym called me to confirm the cancellation I 'cut' the call and the second was that I did not give the gym one month's notice. I have received an e-mail from the gym, on the 12th of November confirming my cancellation and would like my charges to be refunded.</p>