the thank you page (in fact all pages) are filterable to your hearts content
so with using the filter here
http://docs.wp-pizza.com/developers/?section=wppizza-markup-pages-page-thankyou-php

and some added ajax/js this is probably doable

suffice to say , i do not think this is something i will be adding/addressing anytime soon as its really not something that seems to be an issue to most users

>In all case the customer ring the restaurant and ask where’s their order!
i don’t think anyone can account for restaurant owners not checking their orders
they could have mobile phones with email clients that notify them or indeed cloudprint that prints out orders when they come in automatically. alas if they don’t check this there isn’t really much one can do , don’t you think ?

>at least from thank you page interaction,the customer going to call/alert the restaurant before it’s too late.
i don’t think it’s up to the customer to make sure orders have been noted by th erestaurant. in any case you cannot guarantee that the customer does not just close the browser anyway

again, you could use some filters to add stuff like that , but it will still need the restaurant to actually check things. the onus should be on the provider to make sure things get delivered, not the customer. (that’s the way i see things anyway)