Blue label called me n say I qualify for a cell phone I said OK then she explained to me

Blue label called me n say I qualify for a cell phone I said OK then she explained to me i ask the brand of the cellphone they say it's a Decebell phone I said no I don't know the brand please cancel it i thought it was Samsung,She said OK after 30 minutes debit order pop on my App u declined it cz I already cancel it But they didn't cancel the order because on the 8th of October another debit order pop in my phone was with my child n she pres Approve by mistake I try calling them so that they can cancel before they deliver but no I couldn't find them i try calling them all the numbers they gave me where not working.on the 23 courier delive the parcel So please help me i don't want the phone