"Proposed Modifications to Customer Packages"

"The question regarding which room needs to be designed has been repeated twice! Once during the package selection and once after accepting the package! When the customer tries to click on a different room than the one chosen at the beginning of the payment process, they will find themselves on a page with a warning message indicating an error, and the page does not exist. At that point, the customer may think that the amount they paid has gone in vain, and that I deceived them and tried to cheat them."
"What I am doing is leave a note for the client, advising them not to choose a room other than the one they requested, to avoid any errors."
so what I suggest is to adopt the clause of the required room and specify it only in the pre-payment stage! After the client purchases the package, a questionnaire appears with all the questions except the initial one: 'Which room do you want to design?'"
thank you