What if I do this. I'm going to ask for a refund from my tutor for unused hours.
Are you really sure you need to so that? Why do you need a refund for it?
I want to use the money to pay for medical treatment my father is currently receiving for cancer.
I'm sorry to hear that your father is ill. It's good to help out when family is sick. It might help if you explain the situation to your tutor.
Thank you. I want to save money for my dad's treatment.
I'm sure your tutor will understand. After all, those hours were not used by them. It makes sense to ask for the refund even if your father didn't need cancer treatment.