U: I am looking for a mexican restaurant in south cambridge

S: There is a restaurant called Chiquito Restaurant Bar that is in the expensive price range. Do you want the address?

U: Yes. Actually can you make a booking for me?

S: What day,number guests and time of day you would like to dine?

U: Actually, can you just send me the address?

S: Their address is 2G Cambridge Leisure Park Cherry Hinton Road Cherry Hinton

U: I am needing a place to stay with a star of 3 and free wifi please.

S: There are several options that meet your criteria, what is your price range and what area are you looking for?

U: i need something cheap

S: I don't have anything meeting that criteria. Can I try something else?

U: Do you have an expensive hotel that meets my other criteria?

S: Sure. There are two. The Gonville Hotel, and The Lensfield Hotel. Would you like me to book one of those for you?

U: Either of those sounds great. There will be 8 of us for 5 nights starting on Sunday. Can you book that, please?

S: I am unable to book either of those options. Is there anything else I can do for you?

U: Darn. Why don't we try booking it for tuesday instead then?

S: I think the system is down, I am unable to make any bookings.

U: Is the system back up now?

S: I can try to book it again.

U: That would be great, thank you.

S: I booked you at the gonville, your reference number is J782KUH9, anything else today?

U: Can you confirm that the Gonville Hotel cleans its rooms thoroughly?
S: No, it cannot be confirmed that the Gonville Hotel thoroughly cleans its rooms as past visitors all mention issues regarding cleanliness.