I am looking for an expensive restaurant that serves Welsh food.
I apologize, there are no restaurants in the expensive price range that serve Welsh food. Would you like a different type of food?
How about korean food?
Little Seoul is an expensive Korean restaurant. Is there anything else I can help you with?
Yes, I would like their address and what part of town they are located in. 
Little Seoul is located in the centre of town and the address is 108 Regent Street City Centre.
Thank you, goodbye.
Have a nice day!  Goodbye.