Madrasshoppe — I want to cancel my order and want a refund but they are not replying

Address:	MadrasShoppe (don't know the physical location)
Website:	www.madrasshoppe.com/customer-support

I had ordered a set of Harry Potter books for a friend but they are traveling out of the country, so I want to cancel my order (done within 24 hrs) and want a refund for the same. The company told me to not cancel it and then ghosted me. I want my refund as soon as possible