Bad customer service

I've laybyed a bed in janaury 2022 at fair price furniture, today i went to do a cancellation and refund they told me i have 2 write my name in book, i asked when am i gonna get my money back the cashier said she don't know, i want my money back i wanna use it i can't wait for something which i dn't even know how long i'll have to wait, why did tgey explain to me when i was paying if i knew i wouldn't laybye its a furniture store they must make a plan to give me my money back.