Arrogant Staff denying a service to a customer

I took my 3 year old daughter for her ear piercing at Ralo in Kenilworth centre where there were 2 staff members working.My aunt approached Tarryn one of the staff and asked if she could assist with the piercing as she has years of experience piercing ears. The consultant said it's against their policy which we were ok with. When Tarryn made the dots where the piercing will take place my aunt advised her that the dots were skew and she needed to align them.Tarryn got impatient and said that we are holding her up and we should let her do her job.Our response was that once the holes are in we cannot undo it so rather change the dots to be safe. We were the only customers in the store so why be impatient? We were very disappointed in the service as Tarryn then said she refuses to do the piercing so we left the store.I then purchased the earings at Ralo looking for another store to do the piercing but no stores gun could fit the earings into it. I returned to Ralo without my aunt thinking that I'll keep the peace so that my daughter can have a comfortable experience. Tarryn still refused to assist her colleague with the piercing. My daughter had to pierce one ear at a time -Painful!!!