inform((_:search,type,'Restaurant'))
user
I 'm hoping you can help me find a restaurant .
request((_:search,food,?);(_:search,type,'Restaurant'))
system
sure , what kind of cuisine are you looking for ?
inform((_:search,food,'persian');(_:search,type,'Restaurant'))
user
I 'd like Persian food .
canthelp((_:search,food,'Persian');(_:search,type,'Restaurant'))
system
I 'm sorry I have no restaurants serving Persian food .
inform((_:search,food,'chinese');(_:search,type,'Restaurant'))
user
Okay how about chinese food ?
request((_:search,area,?);(_:search,pricerange,?);(_:search,type,'Restaurant')) inform((_:result,amount,'a lot');(_:result,food,'chinese');(_:result,type,'Restaurant'))
system
There are a lot of chinese restaurants in town . Do you have a preference on area or price range ?
inform((_:search,area,'dontcare');(_:search,pricerange,'dontcare');(_:search,type,'Restaurant')) request((_:result,postcode,?);(_:result,type,'Restaurant'))
user
Any type is fine can you just give me the postcode of it ?
inform((_:result,area,'center');(_:result,name,'Rice House');(_:result,postcode,'cb12bd');(_:result,pricerange,'cheap');(_:result,type,'Restaurant'))
system
Rice House is in the center , is cheap , and post code is cb12bd .
inform((_:search,arrive_by,'17:30');(_:search,day,'sunday');(_:search,departure,'cambridge');(_:search,destination,'bishops stortford');(_:search,type,'Train'))
user
i am also looking for a train . The train should leave on sunday and should go to bishops stortford . 
 The train should depart from cambridge and should arrive by 17:30 .
inform((_:result,arrive_by,'16:07');(_:result,id,'TR3600');(_:result,leave_at,'15:26');(_:result,type,'Train'))
system
Okay the TR3600 leaves at 15:26 and arrives by 16:07 .
inform((_:search,people,'4');(_:search,type,'Train'))
user
That 's perfect . Can you book for 4 people please ?
inform((_:booking,category,'Train');(_:booking,ref,'4YOCRING');(_:booking,ticket,'32.32 GBP');(_:booking,type,'Booking'))
system
Booking was successful , the total fee is 32.32 GBP payable at the station . 
 Reference number is : 4YOCRING .
thank()
user
Thank you . That is all the information I need .
reqmore()
system
Is there anything else that I can assist you with today ?
thank()
user
No thank you that will be all
system
Thanks for using our services , have a lovely day .
_:search type Restaurant
_:search food persian
_:search type Restaurant
_:system canthelp _:search/f2832000
_:search/f2832000 food Persian
_:search/f2832000 type Restaurant
_:search food chinese
_:search type Restaurant
_:system canthelp _:search/f2832000
_:search/f2832000 food Persian
_:search/f2832000 type Restaurant
_:search food chinese
_:result amount a lot
_:result food chinese
_:result type Restaurant
_:search area dontcare
_:search pricerange dontcare
_:search type Restaurant
_:result postcode ?
_:system canthelp _:search/f2832000
_:search/f2832000 food Persian
_:search/f2832000 type Restaurant
_:search food chinese
_:result amount a lot
_:result food chinese
_:search area dontcare
_:search pricerange dontcare
_:result area center
_:result name Rice House
_:result postcode cb12bd
_:result pricerange cheap
_:result type Restaurant
_:search arrive_by 17:30
_:search day sunday
_:search departure cambridge
_:search destination bishops stortford
_:search type Train
_:system canthelp _:search/f2832000
_:search/f2832000 food Persian
_:search/f2832000 type Restaurant
_:search food chinese
_:result amount a lot
_:result food chinese
_:search area dontcare
_:search pricerange dontcare
_:result area center
_:result name Rice House
_:result postcode cb12bd
_:result pricerange cheap
_:search arrive_by 17:30
_:search day sunday
_:search departure cambridge
_:search destination bishops stortford
_:result arrive_by 16:07
_:result id TR3600
_:result leave_at 15:26
_:result type Train
_:search people 4
_:search type Train
_:system canthelp _:search/f2832000
_:search/f2832000 food Persian
_:search/f2832000 type Restaurant
_:search food chinese
_:result amount a lot
_:result food chinese
_:search area dontcare
_:search pricerange dontcare
_:result area center
_:result name Rice House
_:result postcode cb12bd
_:result pricerange cheap
_:search arrive_by 17:30
_:search day sunday
_:search departure cambridge
_:search destination bishops stortford
_:result arrive_by 16:07
_:result id TR3600
_:result leave_at 15:26
_:result type Train
_:search people 4
_:search type Train
_:booking category Train
_:booking ref 4YOCRING
_:booking ticket 32.32 GBP
_:booking type Booking
_:system canthelp _:search/f2832000
_:search/f2832000 food Persian
_:search/f2832000 type Restaurant
_:search food chinese
_:result amount a lot
_:result food chinese
_:search area dontcare
_:search pricerange dontcare
_:result area center
_:result name Rice House
_:result postcode cb12bd
_:result pricerange cheap
_:search arrive_by 17:30
_:search day sunday
_:search departure cambridge
_:search destination bishops stortford
_:result arrive_by 16:07
_:result id TR3600
_:result leave_at 15:26
_:result type Train
_:search people 4
_:search type Train
_:booking category Train
_:booking ref 4YOCRING
_:booking ticket 32.32 GBP
_:booking type Booking
_:system inquired _:user