inform((_:search,food,'italian');(_:search,pricerange,'moderate');(_:search,type,'Restaurant'))
user
I need an italian place in the moderate price range to eat at .
request((_:search,area,?);(_:search,type,'Restaurant')) inform((_:result,count,'5');(_:result,type,'Restaurant'))
system
We have 5 options available that meet that criteria . Is there a specific area you would like ?
user
Yes , I like you to tell me all 5 options , than I will decide !
inform((_:result,count,'2');(_:result,type,'Restaurant'))
system
OK , there are two Pizza Huts , two Pizza Expresses , and a Prezzo .
inform((_:search,area,'centre');(_:search,type,'Restaurant'))
user
Are any of those options located in the centre of town ?
inform((_:result,amount,'both Pizza Express');(_:result,area,'centre');(_:result,type,'Restaurant')) reqmore()
system
Yes , both Pizza Express locations are in the centre . Would you like more information ?
request((_:result,address,?);(_:result,phone,?);(_:result,postcode,?);(_:result,type,'Restaurant'))
user
Choose one of them for me and let me know the phone number , address , and postcode please .
offer((_:booking,type,'Booking')) inform((_:result,name,'pizza express Regent Street City Centre');(_:result,phone,'01223324033');(_:result,postcode,'cb21db');(_:result,type,'Restaurant'))
system
Sure , pizza express Regent Street City Centre cb21db , 01223324033 . Would you like to book a table there ?
inform((_:search,area,'same area of town');(_:search,type,'Attraction'))
user
I 'll think about it , thank you . Could you reccommend a few attractions in the same area of town ?
inform((_:result,area,'centre');(_:result,entrance_fee,'2 pounds');(_:result,entrance_fee,'free');(_:result,name,'All Saints Church');(_:result,name,"Great Saint Mary 's Church");(_:result,postcode,'cb23pq');(_:result,postcode,'cb58bs');(_:result,type,'Attraction'))
system
In the centre are the All Saints Church postcode cb58bs , the entrance is free . Also , the Great Saint Mary 's Church postcode cb23pq entrance fee 2 pounds .
inform((_:search,departure,'all saints church');(_:search,destination,'pizza express');(_:search,leave_at,'21:45');(_:search,type,'Taxi'))
user
Please book a taxi between All Saints Church and pizza express , I 'd like to leave the church by 21:45 .
inform((_:result,car,'grey bmw');(_:result,phone,'07950726501');(_:result,type,'Taxi'))
system
Okay your contact number is 07950726501 
 Your car is a grey bmw .
thank()
user
Okay that 's all I need for now . Thank you .
system
Great ! Thank you for using our services !
_:search food italian
_:search pricerange moderate
_:search type Restaurant
_:search food italian
_:search pricerange moderate
_:search area ?
_:search type Restaurant
_:result count 5
_:result type Restaurant
_:search food italian
_:search pricerange moderate
_:result count 2
_:result type Restaurant
_:search area centre
_:search type Restaurant
_:search food italian
_:search pricerange moderate
_:result count 2
_:search area centre
_:search type Restaurant
_:result amount both Pizza Express
_:result area centre
_:result type Restaurant
_:system inquired _:user
_:result address ?
_:result phone ?
_:result postcode ?
_:search food italian
_:search pricerange moderate
_:result count 2
_:result amount both Pizza Express
_:result area centre
_:system inquired _:user
_:result address ?
_:system offered _:booking
_:booking type Booking
_:result name pizza express Regent Street City Centre
_:result phone 01223324033
_:result postcode cb21db
_:result type Restaurant
_:search area same area of town
_:search type Attraction
_:search food italian
_:search pricerange moderate
_:result count 2
_:result amount both Pizza Express
_:system inquired _:user
_:result address ?
_:system offered _:booking
_:booking type Booking
_:result phone 01223324033
_:search area same area of town
_:result area centre
_:result entrance_fee 2 pounds
_:result entrance_fee free
_:result name All Saints Church
_:result name Great Saint Mary 's Church
_:result postcode cb23pq
_:result postcode cb58bs
_:result type Attraction
_:search departure all saints church
_:search destination pizza express
_:search leave_at 21:45
_:search type Taxi
_:search food italian
_:search pricerange moderate
_:result count 2
_:result amount both Pizza Express
_:system inquired _:user
_:result address ?
_:system offered _:booking
_:booking type Booking
_:search area same area of town
_:result area centre
_:result entrance_fee 2 pounds
_:result entrance_fee free
_:result name All Saints Church
_:result name Great Saint Mary 's Church
_:result postcode cb23pq
_:result postcode cb58bs
_:search departure all saints church
_:search destination pizza express
_:search leave_at 21:45
_:search type Taxi
_:result car grey bmw
_:result phone 07950726501
_:result type Taxi