Legal Letter for Booking.com Refund

I need a legal letter drafted to request a 50% refund from Booking.com for accommodation that did not meet advertised standards. Details to include: - The property's condition was significantly below expectations. - Amenities were of lower quality than described. - Issues included outdated or worn furniture and unclean, poorly maintained areas. Ideal skills and experience: - Legal writing expertise - Familiarity with hospitality and consumer protection laws - Experience dealing with refund requests or disputes