I am looking for a restaurant that serves Australian food and in the cheap price range.
I'm sorry, there are no restaurants that serve australian food. 
do you have some places that serve italian ?
la margherita seems to fit your request.
Can I get the address and phone number?
The address is 15 Magdalene Street City Centre and the phone number is 01223 315232.
Okay, perfect. Thank you very much.
Thank you.  Goodbye.