I am looking for an expensive restaurant that serves Indonesian food.
I'm sorry, there are no expensive restaurants that serve indonesian food. Can I help you with something else?
can i have a thai food instead? 
bangkok city is thai restaurant in the expensive price range located in the centre city. 
address and phone number, please
Sure, bangkok city is located at 24 green street city centre and its phone number is 01223 354382. Is there anything else I can help you with? 
Sorry what type of food do they serve? 
They serve thai food. 
No, thank you! I've got all the info I needed. Goodbye.
Thank you.