inform((_:search,area,'centre');(_:search,food,'barbeque');(_:search,type,'Restaurant'))
user
I need to find a barbeque restaurant in the centre of town .
select((_:result,area,'center');(_:result,type,'Restaurant')) request((_:search,food,?);(_:search,type,'Restaurant')) canthelp((_:search,food,'barbecue');(_:search,type,'Restaurant'))
system
There are no barbecue restaurants in town .   Would you like to search for a different type of restaurant in the center of town ?
inform((_:search,pricerange,'moderately');(_:search,type,'Restaurant'))
user
Wow ! No barbeque restaurants ?   I need something moderately priced then .   Can you make a reccommendation ?
inform((_:result,amount,'many');(_:result,area,'center');(_:result,food,'Chinese');(_:result,food,'European');(_:result,pricerange,'moderate');(_:result,type,'Restaurant'))
system
How about Chinese or European ? I have many options in the center that are moderate in price .
inform((_:search,food,'italian');(_:search,type,'Restaurant'))
user
I would prefer Italian .
inform((_:booking,name,'pizza express');(_:booking,type,'Booking');(_:result,address,'Regent Street City Centre');(_:result,postcode,'cb21db');(_:result,type,'Restaurant'))
system
i can book you pizza express whose postcode is cb21db and postal adress 	 Regent Street City Centre if you like
request((_:result,address,?);(_:result,phone,?);(_:result,type,'Restaurant'))
user
No , thanks . I just need the address and phone number .
inform((_:result,address,'Regent Street City Centre');(_:result,phone,'01223324033');(_:result,type,'Restaurant'))
system
Here you are Regent Street City Centre 01223324033
inform((_:search,day,'saturday');(_:search,destination,'broxbourne');(_:search,type,'Train'))
user
Thanks ! I also need a train to Broxbourne on Saturday .
inform((_:result,count,'19');(_:result,type,'Train')) request((_:search,arrive_by,?);(_:search,departure,?);(_:search,leave_at,?);(_:search,type,'Train'))
system
I have 19 entries for your criteria . Where would you like to depart from ? What times ?
inform((_:search,day,'saturday');(_:search,departure,'cambridge');(_:search,destination,'broxbourne');(_:search,leave_at,'8:00');(_:search,type,'Train'))
user
I am departing from cambridge and headed to broxbourne on saturday . I need to leave after 8:00 .
inform((_:result,id,'TR7807');(_:result,leave_at,'08:01');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
TR7807 departs at 08:01 . Would you like a ticket ?
inform((_:search,people,'6');(_:search,type,'Train'))
user
Yes I would for 6 people .
reqmore() inform((_:booking,category,'Train');(_:booking,ref,'6SUM4EK3');(_:booking,type,'Booking'))
system
Your reference number is 6SUM4EK3 , is there anything else you need ?
bye()
user
no i do nt need any other help . you took care of it all . thanks . bye .
system
Yuor welcome . Enjoy your trip . Goodbye
_:search area centre
_:search food barbeque
_:search type Restaurant
_:search area centre
_:result area center
_:result type Restaurant
_:search food ?
_:system canthelp _:search/1fff0890
_:search/1fff0890 food barbecue
_:search/1fff0890 type Restaurant
_:search pricerange moderately
_:search type Restaurant
_:search area centre
_:system canthelp _:search/1fff0890
_:search/1fff0890 food barbecue
_:search/1fff0890 type Restaurant
_:search pricerange moderately
_:result amount many
_:result area center
_:result food Chinese
_:result food European
_:result pricerange moderate
_:result type Restaurant
_:search food italian
_:search type Restaurant
_:search area centre
_:system canthelp _:search/1fff0890
_:search/1fff0890 food barbecue
_:search/1fff0890 type Restaurant
_:search pricerange moderately
_:result amount many
_:result area center
_:result food Chinese
_:result food European
_:result pricerange moderate
_:search food italian
_:search type Restaurant
_:booking name pizza express
_:booking type Booking
_:result address Regent Street City Centre
_:result postcode cb21db
_:result type Restaurant
_:result address ?
_:result phone ?
_:search area centre
_:system canthelp _:search/1fff0890
_:search/1fff0890 food barbecue
_:search/1fff0890 type Restaurant
_:search pricerange moderately
_:result amount many
_:result area center
_:result food Chinese
_:result food European
_:result pricerange moderate
_:search food italian
_:booking name pizza express
_:booking type Booking
_:result postcode cb21db
_:result address Regent Street City Centre
_:result phone 01223324033
_:result type Restaurant
_:search day saturday
_:search destination broxbourne
_:search type Train
_:search area centre
_:system canthelp _:search/1fff0890
_:search/1fff0890 food barbecue
_:search/1fff0890 type Restaurant
_:search pricerange moderately
_:result amount many
_:result area center
_:result food Chinese
_:result food European
_:result pricerange moderate
_:search food italian
_:booking name pizza express
_:booking type Booking
_:result postcode cb21db
_:result address Regent Street City Centre
_:result phone 01223324033
_:result count 19
_:result type Train
_:search arrive_by ?
_:search day saturday
_:search departure cambridge
_:search destination broxbourne
_:search leave_at 8:00
_:search type Train
_:search area centre
_:system canthelp _:search/1fff0890
_:search/1fff0890 food barbecue
_:search/1fff0890 type Restaurant
_:search pricerange moderately
_:result amount many
_:result area center
_:result food Chinese
_:result food European
_:result pricerange moderate
_:search food italian
_:booking name pizza express
_:booking type Booking
_:result postcode cb21db
_:result address Regent Street City Centre
_:result phone 01223324033
_:result count 19
_:search arrive_by ?
_:search day saturday
_:search departure cambridge
_:search destination broxbourne
_:search leave_at 8:00
_:result id TR7807
_:result leave_at 08:01
_:result type Train
_:system offered _:booking
_:booking category Train
_:search people 6
_:search type Train
_:search area centre
_:system canthelp _:search/1fff0890
_:search/1fff0890 food barbecue
_:search/1fff0890 type Restaurant
_:search pricerange moderately
_:result amount many
_:result area center
_:result food Chinese
_:result food European
_:result pricerange moderate
_:search food italian
_:booking name pizza express
_:result postcode cb21db
_:result address Regent Street City Centre
_:result phone 01223324033
_:result count 19
_:search arrive_by ?
_:search day saturday
_:search departure cambridge
_:search destination broxbourne
_:search leave_at 8:00
_:result id TR7807
_:result leave_at 08:01
_:result type Train
_:system offered _:booking
_:search people 6
_:search type Train
_:system inquired _:user
_:booking category Train
_:booking ref 6SUM4EK3
_:booking type Booking
_:user dismissed _:system