appearing this

ah.. okay so we can't put dynamic name to a file

Exactly. Only folders can be dynamic

okay then i have to put it in 2 dynamic folder and after that when i'm trying fetch the id and title from url it shows empty

Did you check this:

https://nextjs.org/docs/app/building-your-application/routing/dynamic-routes

yeaa

Can you show the code of page jsx and the directory where it is

yea here it is

Try params.itinerarytype so the name of the dynamic folders

got it thanks brother

issue solved

ah can you give refference regrading fetch and find data from api in page.jsx without making it client side

Sure:
https://nextjs.org/docs/app/building-your-application/data-fetching/fetching

Just make the page function async and fetch it

great