inform((_:search,name,'hakka');(_:search,type,'Restaurant'))
user
Hi , what can you tell me about a restaurant called hakka ?
reqmore() inform((_:result,area,'Northside');(_:result,food,'Chinese');(_:result,pricerange,'expensive');(_:result,type,'Restaurant'))
system
I can tell you that it 's an expensive Chinese restaurant on the Northside . What else would you like to know ?
user
I need to reserve in for Thrusday .
request((_:booking,people,?);(_:booking,type,'Booking');(_:search,area,?);(_:search,type,'Restaurant'))
system
I have a lot of options . Was there a specific area you were interested in ? How many people would you like to reserve for ?
inform((_:search,area,'none');(_:search,day,'thursday');(_:search,duration,'18:15');(_:search,people,'two');(_:search,type,'Restaurant'))
user
Yes , I would like a reservation at 18:15 on Thursday for two .
canthelp((_:booking,duration,'18:15');(_:booking,name,'Hakka');(_:booking,type,'Booking')) request((_:booking,day,?);(_:booking,duration,?);(_:booking,type,'Booking'))
system
Unfortunately , there are no reservations available for Hakka at 18:15 . Would you like to book another day or try another time ?
inform((_:search,duration,'17:15');(_:search,type,'Restaurant'))
user
Is there an opening at 17:15 ?
reqmore() inform((_:booking,ref,'EWFXUJB5');(_:booking,type,'Booking'))
system
17:15 was successful . You 're reference number is EWFXUJB5 . Is there anything else I can help you with ?
inform((_:search,day,'friday');(_:search,departure,'cambridge');(_:search,leave_at,'17:00');(_:search,type,'Train'))
user
I also need a train   that leaves after 17:00 on friday departing from cambridge .
request((_:search,destination,?);(_:search,type,'Train'))
system
Where will you be traveling to ?
inform((_:search,destination,'birmingham new street');(_:search,type,'Train'))
user
I need to go to Birmingham new street .
inform((_:result,type,'Train')) offer((_:booking,arrive_by,'20:44');(_:booking,category,'Train');(_:booking,id,'TR7420');(_:booking,leave_at,'18:01');(_:booking,type,'Booking'))
system
I have train TR7420 that is departing at 18:01 and arrives by 20:44 . Would that be acceptable ?
inform((_:search,id,'TR7420');(_:search,type,'Train'))
user
Yes I would like to book the TR7420 .
request((_:search,people,?);(_:search,type,'Train'))
system
For how many tickets ?
inform((_:search,people,'two');(_:search,type,'Train')) request((_:result,ref,?);(_:result,type,'Train'))
user
Book for two people . And , may I also have the reference number , please .
inform((_:booking,category,'Train');(_:booking,ref,'5M7M9RN1');(_:booking,type,'Booking'))
system
All set . Your reference number is 5M7M9RN1 .
thank()
user
thank you so much goodbye
system
Thank you for choosing Help Desk . Good Bye .
_:search name hakka
_:search type Restaurant
_:search name hakka
_:search type Restaurant
_:system inquired _:user
_:result area Northside
_:result food Chinese
_:result pricerange expensive
_:result type Restaurant
_:search name hakka
_:system inquired _:user
_:result area Northside
_:result food Chinese
_:result pricerange expensive
_:result type Restaurant
_:booking people ?
_:booking type Booking
_:search area none
_:search day thursday
_:search duration 18:15
_:search people two
_:search type Restaurant
_:search name hakka
_:system inquired _:user
_:result area Northside
_:result food Chinese
_:result pricerange expensive
_:result type Restaurant
_:booking people ?
_:search area none
_:search day thursday
_:search people two
_:system canthelp _:booking/9fa155df
_:booking/9fa155df duration 18:15
_:booking/9fa155df name Hakka
_:booking/9fa155df type Booking
_:booking day ?
_:booking duration ?
_:booking type Booking
_:search duration 17:15
_:search type Restaurant
_:search name hakka
_:result area Northside
_:result food Chinese
_:result pricerange expensive
_:result type Restaurant
_:booking people ?
_:search area none
_:search people two
_:system canthelp _:booking/9fa155df
_:booking/9fa155df duration 18:15
_:booking/9fa155df name Hakka
_:booking/9fa155df type Booking
_:booking day ?
_:booking duration ?
_:search duration 17:15
_:system inquired _:user
_:booking ref EWFXUJB5
_:booking type Booking
_:search day friday
_:search departure cambridge
_:search leave_at 17:00
_:search type Train
_:search name hakka
_:result area Northside
_:result food Chinese
_:result pricerange expensive
_:result type Restaurant
_:booking people ?
_:search area none
_:search people two
_:system canthelp _:booking/9fa155df
_:booking/9fa155df duration 18:15
_:booking/9fa155df name Hakka
_:booking/9fa155df type Booking
_:booking day ?
_:booking duration ?
_:search duration 17:15
_:system inquired _:user
_:booking ref EWFXUJB5
_:booking type Booking
_:search day friday
_:search departure cambridge
_:search leave_at 17:00
_:search destination birmingham new street
_:search type Train
_:search name hakka
_:result area Northside
_:result food Chinese
_:result pricerange expensive
_:booking people ?
_:search area none
_:search people two
_:system canthelp _:booking/9fa155df
_:booking/9fa155df duration 18:15
_:booking/9fa155df name Hakka
_:booking/9fa155df type Booking
_:booking day ?
_:booking duration ?
_:search duration 17:15
_:system inquired _:user
_:booking ref EWFXUJB5
_:booking type Booking
_:search day friday
_:search departure cambridge
_:search leave_at 17:00
_:search destination birmingham new street
_:result type Train
_:system offered _:booking
_:booking arrive_by 20:44
_:booking category Train
_:booking id TR7420
_:booking leave_at 18:01
_:search id TR7420
_:search type Train
_:search name hakka
_:result area Northside
_:result food Chinese
_:result pricerange expensive
_:booking people ?
_:search area none
_:system canthelp _:booking/9fa155df
_:booking/9fa155df duration 18:15
_:booking/9fa155df name Hakka
_:booking/9fa155df type Booking
_:booking day ?
_:booking duration ?
_:search duration 17:15
_:system inquired _:user
_:booking ref EWFXUJB5
_:booking type Booking
_:search day friday
_:search departure cambridge
_:search leave_at 17:00
_:search destination birmingham new street
_:result type Train
_:system offered _:booking
_:booking arrive_by 20:44
_:booking category Train
_:booking id TR7420
_:booking leave_at 18:01
_:search id TR7420
_:search people two
_:search type Train
_:result ref ?
_:search name hakka
_:result area Northside
_:result food Chinese
_:result pricerange expensive
_:booking people ?
_:search area none
_:system canthelp _:booking/9fa155df
_:booking/9fa155df duration 18:15
_:booking/9fa155df name Hakka
_:booking/9fa155df type Booking
_:booking day ?
_:booking duration ?
_:search duration 17:15
_:system inquired _:user
_:search day friday
_:search departure cambridge
_:search leave_at 17:00
_:search destination birmingham new street
_:result type Train
_:system offered _:booking
_:booking arrive_by 20:44
_:booking id TR7420
_:booking leave_at 18:01
_:search id TR7420
_:search people two
_:search type Train
_:result ref ?
_:booking category Train
_:booking ref 5M7M9RN1
_:booking type Booking