inform((_:search,food,'chinese');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
Can you help me find an expensive restaurant that serves Chinese food to dine at ? Thanks .
request((_:search,area,?);(_:search,type,'Restaurant')) inform((_:result,count,'9');(_:result,food,'Chinese');(_:result,pricerange,'expensive');(_:result,type,'Restaurant'))
system
There are 9 expensive Chinese restaurants in Cambridge . Which area of town do you prefer ?
inform((_:search,area,'north');(_:search,type,'Restaurant'))
user
In the North , if possible .
offer((_:booking,type,'Booking')) inform((_:result,area,'North');(_:result,name,'Hakka');(_:result,name,'Hotpot');(_:result,type,'Restaurant'))
system
The Hotpot and Hakka are both in the North .   Would you like to book a table at one of these ?
inform((_:search,name,'hakka');(_:search,type,'Restaurant')) request((_:result,address,?);(_:result,phone,?);(_:result,type,'Restaurant'))
user
Can I get the address and phone number of Hakka ?
offer((_:booking,type,'Booking')) request((_:booking,duration,?);(_:booking,type,'Booking')) inform((_:result,address,'24 Milton Road Cambridge Cambridgeshire');(_:result,name,'Hakka');(_:result,phone,'+ 44 1223 568988');(_:result,type,'Restaurant'))
system
Yes the information for Hakka , 24 Milton Road Cambridge Cambridgeshire , + 44 1223 568988 .   Would you like me to go ahead and book your table and for what time ?
inform((_:search,arrive_by,'21:15');(_:search,day,'friday');(_:search,type,'Train'))
user
Not quite yet .   But can you help me find a train fro Friday , arriving by 21:15 ?
inform((_:result,amount,'several');(_:result,type,'Train')) request((_:search,departure,?);(_:search,destination,?);(_:search,leave_at,?);(_:search,type,'Train'))
system
There are several trains that day . Could you tell me where you are departing from and arriving to , as well as a time you would like to leave ?
inform((_:search,departure,'cambridge');(_:search,destination,'london liverpool street');(_:search,type,'Train'))
user
I would like to leave from Cambridge and with my destination being London Liverpool Street .   Thank you for your help with this .
inform((_:result,arrive_by,'17:59');(_:result,destination,'Cambridge');(_:result,destination,'london liverpool street');(_:result,duration,'88 minutes');(_:result,id,'TR5212');(_:result,leave_at,'19:27');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
TR5212 will arrive at London Liverpool Street at 19:27 . It leaves Cambridge at 17:59 , and the travel time is 88 minutes . Would you like a ticket ?
inform((_:search,people,'8');(_:search,type,'Train')) request((_:result,ref,?);(_:result,type,'Train'))
user
I need 8 tickets , please . And could I get the reference number after you book them ? Thanks .
inform((_:booking,category,'Train');(_:booking,people,'8');(_:booking,ref,'WOEHJGD9');(_:booking,ticket,'132.8 GBP');(_:booking,type,'Booking'))
system
I have booked your 8 seats here is the information : Booking was successful , the total fee is 132.8 GBP payable at the station . 
 Reference number is : WOEHJGD9 .
thank()
user
Thank you , that will be all I need today .
system
Glad I could help , have a great trip !
_:search food chinese
_:search pricerange expensive
_:search type Restaurant
_:search food chinese
_:search pricerange expensive
_:result count 9
_:result food Chinese
_:result pricerange expensive
_:result type Restaurant
_:search area north
_:search type Restaurant
_:search food chinese
_:search pricerange expensive
_:result count 9
_:result food Chinese
_:result pricerange expensive
_:search area north
_:system offered _:booking
_:booking type Booking
_:result area North
_:result name Hakka
_:result name Hotpot
_:result type Restaurant
_:search name hakka
_:search type Restaurant
_:result address ?
_:result phone ?
_:search food chinese
_:search pricerange expensive
_:result count 9
_:result food Chinese
_:result pricerange expensive
_:search area north
_:system offered _:booking
_:result area North
_:search name hakka
_:booking duration ?
_:booking type Booking
_:result address 24 Milton Road Cambridge Cambridgeshire
_:result name Hakka
_:result phone + 44 1223 568988
_:result type Restaurant
_:search arrive_by 21:15
_:search day friday
_:search type Train
_:search food chinese
_:search pricerange expensive
_:result count 9
_:result food Chinese
_:result pricerange expensive
_:search area north
_:system offered _:booking
_:result area North
_:search name hakka
_:booking duration ?
_:booking type Booking
_:result address 24 Milton Road Cambridge Cambridgeshire
_:result name Hakka
_:result phone + 44 1223 568988
_:search arrive_by 21:15
_:search day friday
_:result amount several
_:result type Train
_:search leave_at ?
_:search departure cambridge
_:search destination london liverpool street
_:search type Train
_:search food chinese
_:search pricerange expensive
_:result count 9
_:result food Chinese
_:result pricerange expensive
_:search area north
_:system offered _:booking
_:result area North
_:search name hakka
_:booking duration ?
_:booking type Booking
_:result address 24 Milton Road Cambridge Cambridgeshire
_:result name Hakka
_:result phone + 44 1223 568988
_:search arrive_by 21:15
_:search day friday
_:result amount several
_:search leave_at ?
_:search departure cambridge
_:search destination london liverpool street
_:result arrive_by 17:59
_:result destination Cambridge
_:result destination london liverpool street
_:result duration 88 minutes
_:result id TR5212
_:result leave_at 19:27
_:result type Train
_:booking category Train
_:search people 8
_:search type Train
_:result ref ?
_:search food chinese
_:search pricerange expensive
_:result count 9
_:result food Chinese
_:result pricerange expensive
_:search area north
_:system offered _:booking
_:result area North
_:search name hakka
_:booking duration ?
_:result address 24 Milton Road Cambridge Cambridgeshire
_:result name Hakka
_:result phone + 44 1223 568988
_:search arrive_by 21:15
_:search day friday
_:result amount several
_:search leave_at ?
_:search departure cambridge
_:search destination london liverpool street
_:result arrive_by 17:59
_:result destination Cambridge
_:result destination london liverpool street
_:result duration 88 minutes
_:result id TR5212
_:result leave_at 19:27
_:result type Train
_:search people 8
_:search type Train
_:result ref ?
_:booking category Train
_:booking people 8
_:booking ref WOEHJGD9
_:booking ticket 132.8 GBP
_:booking type Booking