U: I'm looking for info on expensive south indian restaurants in Cambridge.

S: I am sorry but I have no listings for expensive South Indian restaurants. Is there another choice you would like?

U: Are you sure? Could you please check again?

S: There are no south indian restaurants. There are indian restaurants available though. Would this b e okay?

U: No how about British food instead?

S: There are a number of expensive british restaurants in cambridge. Do you have an area in mind?

U: The restaurant should be  in the east.

S: The Grafton Hotel Restaurant meets all of your criteria! Would you like to book a table?

U: No, I just need the post code and phone number, please.

S: The phone number is 01223241387 and the postcode is cb58pa. Is there anything else I can help?

U: Yes I would like to also find a hotel called  a and b guest house.

S: The a and b guest house is a 4 star guesthouse in the east at 124 tension road. It does not offer parking, but internet is available.

U: Do you know if their rooms are clean?
S: Past guests at the A and B guest house has described the rooms as not being very clean.  Can I help you with anything else today?