Hi,
I read your description, I can record your writing in Urdu native language. I have worked like this. I can record in app, wave formate or which you like. I am Urdu teacher, I have Master Degree in Urdu. I can give you a recording that suits the accent. As a language teacher, I have a good command of the Urdu Grammar. I am waiting for your kind reply.
note. I can manage a team, you have mentioned only a person can 1000 sentences record.
best regards