I want to find a cheap restaurant serving italian food. What is the address and phone number?
I have quite a few restaurants that match your request.  Would you like to narrow it down by area? 
No that doesn't matter
Ask is a cheap restaurant serving Italian food in the centre of town.  The address is 12 Bridge Street City Centre, and the phone number is 01223 364917.
what is the food type of that restaurant ?
They serve italian food. 
Thank you.  I'll check it out.
Thank you, goodbye.