inform((_:search,area,'west');(_:search,food,'british');(_:search,type,'Restaurant'))
user
I need to dine on british food in the west .
select((_:result,pricerange,'expensive');(_:result,pricerange,'moderately priced');(_:result,type,'Restaurant'))
system
What are you more interested in a moderately priced or an expensive restaurant ?
inform((_:search,pricerange,'do not care');(_:search,type,'Restaurant'))
user
I do not care .
offer((_:booking,type,'Booking')) inform((_:result,area,'west');(_:result,food,'British');(_:result,name,'Saint Johns Chop House');(_:result,pricerange,'moderately - priced');(_:result,type,'Restaurant'))
system
Saint Johns Chop House is a moderately - priced British restaurant on the west side . Would you like to book a table there ?
request((_:result,phone,?);(_:result,type,'Restaurant'))
user
No , I do n't need a reservation right now , just their phone number .
reqmore() inform((_:result,phone,'01223353110');(_:result,type,'Restaurant'))
system
Their phone number is 01223353110 . Can I help you with anything else today ?
inform((_:search,arrive_by,'8:00');(_:search,day,'saturday');(_:search,departure,'london liverpool street');(_:search,type,'Train'))
user
Yes , I need to see if there 's a train from london liverpool street that arrives by 8:00 on Saturday .
inform((_:result,id,'TR7909');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
TR7909 fits your description . can i book for you ?
inform((_:search,arrive_by,'08:00');(_:search,day,'saturday');(_:search,departure,'london liverpool street');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
no , i am also looking for a train . The train should arrive by 08:00 and should go to cambridge . 
 The train should depart from london liverpool street and should leave on saturday .
offer((_:booking,arrive_by,'07:07');(_:booking,category,'Train');(_:booking,day,'Saturday');(_:booking,destination,'Cambridge');(_:booking,id,'TR7397');(_:booking,type,'Booking'))
system
TR7397 arrives in Cambridge by 07:07 on Saturday , would you like to book a ticket ?
thank()
user
No thank you , that 's all I needed ! Thanks !
system
Thank you for using the Cambridge TownInfo centre . Goodbye
_:search area west
_:search food british
_:search type Restaurant
_:search area west
_:search food british
_:result pricerange expensive
_:result pricerange moderately priced
_:result type Restaurant
_:search pricerange do not care
_:search type Restaurant
_:search area west
_:search food british
_:search pricerange do not care
_:search type Restaurant
_:system offered _:booking
_:booking type Booking
_:result area west
_:result food British
_:result name Saint Johns Chop House
_:result pricerange moderately - priced
_:result type Restaurant
_:result phone ?
_:search area west
_:search food british
_:search pricerange do not care
_:system offered _:booking
_:booking type Booking
_:result area west
_:result food British
_:result name Saint Johns Chop House
_:result pricerange moderately - priced
_:system inquired _:user
_:result phone 01223353110
_:result type Restaurant
_:search arrive_by 8:00
_:search day saturday
_:search departure london liverpool street
_:search type Train
_:search area west
_:search food british
_:search pricerange do not care
_:system offered _:booking
_:booking type Booking
_:result area west
_:result food British
_:result name Saint Johns Chop House
_:result pricerange moderately - priced
_:system inquired _:user
_:result phone 01223353110
_:result id TR7909
_:result type Train
_:booking category Train
_:search arrive_by 08:00
_:search day saturday
_:search departure london liverpool street
_:search destination cambridge
_:search type Train
_:search area west
_:search food british
_:search pricerange do not care
_:system offered _:booking
_:booking type Booking
_:result area west
_:result food British
_:result name Saint Johns Chop House
_:result pricerange moderately - priced
_:system inquired _:user
_:result phone 01223353110
_:result id TR7909
_:result type Train
_:booking category Train
_:search arrive_by 08:00
_:search day saturday
_:search departure london liverpool street
_:search destination cambridge
_:search type Train
_:booking arrive_by 07:07
_:booking day Saturday
_:booking destination Cambridge
_:booking id TR7397