inform((_:search,food,'light bites');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
Is there an expensive restaurant in the area that serves light bites ?
canthelp((_:search,type,'Restaurant'))
system
I believe there are no restaurants in the area that have what you are looking for .
inform((_:search,area,'centre');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
What type of expensive restaurants are there in the centre ?
reqmore() inform((_:result,area,'Centre');(_:result,count,'33');(_:result,food,'British');(_:result,food,'african');(_:result,food,'chinese');(_:result,food,'european');(_:result,type,'Restaurant'))
system
There are 33 dining options in the Centre . A few of the types are african , British , chinese , european , and many more . Would you like more information on any of these ?
bye()
user
No that is ok I need to think about it goodbye
reqmore()
system
Are you sure there is nothing else I can help you with today ?
inform((_:search,food,'chinese');(_:search,type,'Restaurant'))
user
actually , i want chinese food .
offer((_:booking,type,'Booking')) inform((_:result,count,'4');(_:result,type,'Restaurant'))
system
I have four places fitting that criteria . Shall I book one ?
inform((_:search,day,'saturday');(_:search,duration,'16:15');(_:search,people,'4');(_:search,type,'Restaurant'))
user
Yes , please book a table for 4 people at 16:15 on saturday .
offer((_:booking,type,'Booking'))
system
Sure thing , I will work on getting this booked for you .
inform((_:search,duration,'16:15');(_:search,type,'Restaurant')) thank()
user
Alright , take your time .
reqmore() inform((_:booking,name,'hk fusion');(_:booking,ref,'DJR9YS0Y');(_:booking,type,'Booking'))
system
Booking was successful at hk fusion . The table will be reserved for 15 minutes . 
 Reference number is : DJR9YS0Y . Is there anything else I can help you with ?
inform((_:search,arrive_by,'17:45');(_:search,destination,'london liverpool street');(_:search,type,'Train'))
user
i also need help finding a train . i want to go to london liverpool street and get their by 17:45 .
request((_:search,day,?);(_:search,type,'Train'))
system
What day will you be traveling ?
inform((_:search,day,'thursday');(_:search,departure,'cambridge');(_:search,type,'Train'))
user
The train should leave on thursday and should depart from cambridge .
inform((_:result,arrive_by,'13:27');(_:result,duration,'88 minutes');(_:result,id,'TR5504');(_:result,leave_at,'11:59');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
I have train TR5504 leaving 11:59 and arriving at 13:27 with a travel time of 88 minutes . Should I get you tickets ?
thank()
user
that is all i need for today thanks anyway
system
Thank you for calling .   If you need anything else , please ring us back .   Goodbye !
_:search food light bites
_:search pricerange expensive
_:search type Restaurant
_:search food light bites
_:system canthelp _:search/8f7fbafc
_:search/8f7fbafc type Restaurant
_:search area centre
_:search pricerange expensive
_:search type Restaurant
_:search food light bites
_:system canthelp _:search/8f7fbafc
_:search/8f7fbafc type Restaurant
_:search area centre
_:search pricerange expensive
_:search type Restaurant
_:system inquired _:user
_:result area Centre
_:result count 33
_:result food British
_:result food african
_:result food chinese
_:result food european
_:result type Restaurant
_:user dismissed _:system
_:system canthelp _:search/8f7fbafc
_:search/8f7fbafc type Restaurant
_:search area centre
_:search pricerange expensive
_:result area Centre
_:result count 33
_:result food British
_:result food african
_:result food chinese
_:result food european
_:result type Restaurant
_:user dismissed _:system
_:system inquired _:user
_:search food chinese
_:search type Restaurant
_:system canthelp _:search/8f7fbafc
_:search/8f7fbafc type Restaurant
_:search area centre
_:search pricerange expensive
_:result area Centre
_:result food British
_:result food african
_:result food chinese
_:result food european
_:user dismissed _:system
_:system inquired _:user
_:search food chinese
_:system offered _:booking
_:booking type Booking
_:result count 4
_:result type Restaurant
_:search day saturday
_:search duration 16:15
_:search people 4
_:search type Restaurant
_:system canthelp _:search/8f7fbafc
_:search/8f7fbafc type Restaurant
_:search area centre
_:search pricerange expensive
_:result area Centre
_:result food British
_:result food african
_:result food chinese
_:result food european
_:user dismissed _:system
_:system inquired _:user
_:search food chinese
_:system offered _:booking
_:booking type Booking
_:result count 4
_:result type Restaurant
_:search day saturday
_:search people 4
_:search duration 16:15
_:search type Restaurant
_:system canthelp _:search/8f7fbafc
_:search/8f7fbafc type Restaurant
_:search area centre
_:search pricerange expensive
_:result area Centre
_:result food British
_:result food african
_:result food chinese
_:result food european
_:user dismissed _:system
_:search food chinese
_:system offered _:booking
_:result count 4
_:result type Restaurant
_:search day saturday
_:search people 4
_:search duration 16:15
_:system inquired _:user
_:booking name hk fusion
_:booking ref DJR9YS0Y
_:booking type Booking
_:search arrive_by 17:45
_:search destination london liverpool street
_:search type Train
_:system canthelp _:search/8f7fbafc
_:search/8f7fbafc type Restaurant
_:search area centre
_:search pricerange expensive
_:result area Centre
_:result food British
_:result food african
_:result food chinese
_:result food european
_:user dismissed _:system
_:search food chinese
_:system offered _:booking
_:result count 4
_:result type Restaurant
_:search people 4
_:search duration 16:15
_:system inquired _:user
_:booking name hk fusion
_:booking ref DJR9YS0Y
_:booking type Booking
_:search arrive_by 17:45
_:search destination london liverpool street
_:search day thursday
_:search departure cambridge
_:search type Train
_:system canthelp _:search/8f7fbafc
_:search/8f7fbafc type Restaurant
_:search area centre
_:search pricerange expensive
_:result area Centre
_:result food British
_:result food african
_:result food chinese
_:result food european
_:user dismissed _:system
_:search food chinese
_:system offered _:booking
_:result count 4
_:search people 4
_:search duration 16:15
_:system inquired _:user
_:booking name hk fusion
_:booking ref DJR9YS0Y
_:booking type Booking
_:search arrive_by 17:45
_:search destination london liverpool street
_:search day thursday
_:search departure cambridge
_:search type Train
_:result arrive_by 13:27
_:result duration 88 minutes
_:result id TR5504
_:result leave_at 11:59
_:result type Train
_:booking category Train