Hello, could you please find me a place to dine?  
Did you have a certain area or price range you would like to dine at?
The restaurant should be in the west and should serve expensive kosher food.
I do not have any restaurants meeting that description. Would you like to try a different type of food?
Do you have one that serves British food?
There are 2 restaurants that serve British food, the Graffiti and Travellers Rest. Would you like me to book one for you?
Sure, either as long as it is expensive and in the west.  Can you book a table for 1 on Tuesday at 17:45?
Ok, I have you booked at Graffiti on Tuesday at 17:45.
Can I get a reference number please?
Sorry, apparently that booking didn't clear. I got you a table at Travellers Rest instead. Reference number is: BRTYJSC8. Can I help with anything else?
No, Thanks for all your help
Enjoy your meal and have a great day!