Bad service from LG Cape Town

I requestest a quotation to repair my LG Dish washer Direct drive D1452LF at ********** on 16 May 2018. Invoice was sent the same day with the following information in the email: "Please send proof of payment for your call to be logged before 3 pm today in order to ensure a technician to calls out within 48 hours". Payment was made on 17 May 2018. Proof of Payment was sent 17 May 2018. I am still waiting for an technician to repair my dishwasher. Error on Dishwasher is HE - heating element faulty.