Right now we do not of the show the room number to the of the room booked by the customer to the customer as it is the general format of the industry. Although the admin can manage it from the back end.
But if you want then we can show the room number to the customer.
And this will be a Paid Customization.
The cost of customization will depend on the effort required to finish the task. And for that, we will have to discuss requirements in details so that we can provide you exactly what you want.
So please raise a ticket at https://webkul.uvdesk.com/en/customer/create-ticket/