inform((_:search,arrive_by,'17:15');(_:search,destination,'london');(_:search,type,'Train'))
user
I need to find a train going to londons kings cross that would arrive by 17:15
inform((_:result,count,'21');(_:result,type,'Train')) request((_:search,departure,?);(_:search,type,'Train'))
system
I have 21 trains that match your request . Where will you be departing from ?
inform((_:search,day,'sunday');(_:search,departure,'cambridge');(_:search,type,'Train'))
user
Leaving Cambridge this coming Sunday .
inform((_:result,amount,'earliest train');(_:result,arrive_by,'19:51');(_:result,destination,'london kings cross');(_:result,type,'Train')) canthelp((_:search,arrive_by,'17:15');(_:search,type,'Train')) reqmore()
system
I 'm sorry , we do n't have any trains arriving by 17:15 . The earliest train will arrive at london kings cross at 19:51 . Do you need anything else ?
inform((_:search,people,'4');(_:search,type,'Train')) request((_:result,ref,?);(_:result,type,'Train'))
user
No thanks .   Go ahead and book the train for 4 people and please provide the reference number .
inform((_:booking,category,'Train');(_:booking,leave_at,'19:00');(_:booking,ref,'UMS71SR7');(_:booking,ticket,'75.52 GBP');(_:booking,type,'Booking'))
system
Your booking was successful , the total fee is 75.52 GBP payable at the station . 
 Your reference number is : UMS71SR7 .   Your train will leave at 19:00 .
thank()
user
Thank you . I also need to find a place to stay .
request((_:search,area,?);(_:search,type,'Hotel'))
system
Any particular area you would like to stay ?
inform((_:search,area,'east');(_:search,has_internet,'yes');(_:search,type,'Hotel'))
user
In the East part of town , please . I need free WiFi .
request((_:search,category,?);(_:search,type,'Hotel'))
system
Okay ! Would you like to stay in a hotel , or in a guesthouse ?
inform((_:search,category,'dontcare');(_:search,type,'Hotel'))
user
i do nt mind either .
request((_:search,pricerange,?);(_:search,stars,?);(_:search,type,'Hotel')) inform((_:result,count,'7');(_:result,type,'Hotel'))
system
We have seven places , any preference on price or rating ?
inform((_:search,has_internet,'yes');(_:search,stars,'4');(_:search,type,'Hotel'))
user
I need a 4 star place that has free wifi .
request((_:search,pricerange,?);(_:search,type,'Hotel')) thank()
system
Okay ! What price range would you like ?
inform((_:search,pricerange,'dontcare');(_:search,type,'Hotel'))
user
I do n't really have a preference .
request((_:search,has_parking,?);(_:search,type,'Hotel')) inform((_:result,count,'6');(_:result,type,'Hotel'))
system
Ok . We 've narrowed to 6 options . Do you want parking ?
inform((_:search,has_parking,'dontcare');(_:search,type,'Hotel'))
user
No parking is not a concern of mine .
inform((_:result,name,'allenbell');(_:result,type,'Hotel'))
system
Would you like to try allenbell ?
inform((_:search,day,'tuesday');(_:search,people,'4');(_:search,stay,'5');(_:search,type,'Hotel'))
user
Yes , please book me for 4 people , for 5 night starting on Tuesday .
inform((_:booking,ref,'I4K0OYPF');(_:booking,type,'Booking'))
system
I have made those reservations and the reference number is   I4K0OYPF .
thank()
user
Thank you that is all I needed .
system
You 're welcome . Have a great day !
_:search arrive_by 17:15
_:search destination london
_:search type Train
_:search arrive_by 17:15
_:search destination london
_:result count 21
_:result type Train
_:search day sunday
_:search departure cambridge
_:search type Train
_:search arrive_by 17:15
_:search destination london
_:result count 21
_:search day sunday
_:search departure cambridge
_:result amount earliest train
_:result arrive_by 19:51
_:result destination london kings cross
_:result type Train
_:system canthelp _:search/761639e3
_:search/761639e3 arrive_by 17:15
_:search/761639e3 type Train
_:system inquired _:user
_:search people 4
_:search type Train
_:result ref ?
_:search arrive_by 17:15
_:search destination london
_:result count 21
_:search day sunday
_:search departure cambridge
_:result amount earliest train
_:result arrive_by 19:51
_:result destination london kings cross
_:result type Train
_:system canthelp _:search/761639e3
_:search/761639e3 arrive_by 17:15
_:search/761639e3 type Train
_:system inquired _:user
_:search people 4
_:search type Train
_:result ref ?
_:booking category Train
_:booking leave_at 19:00
_:booking ref UMS71SR7
_:booking ticket 75.52 GBP
_:booking type Booking
_:search arrive_by 17:15
_:search destination london
_:result count 21
_:search day sunday
_:search departure cambridge
_:result amount earliest train
_:result arrive_by 19:51
_:result destination london kings cross
_:result type Train
_:system canthelp _:search/761639e3
_:search/761639e3 arrive_by 17:15
_:search/761639e3 type Train
_:system inquired _:user
_:search people 4
_:result ref ?
_:booking category Train
_:booking leave_at 19:00
_:booking ref UMS71SR7
_:booking ticket 75.52 GBP
_:booking type Booking
_:search area east
_:search has_internet yes
_:search type Hotel
_:search arrive_by 17:15
_:search destination london
_:result count 21
_:search day sunday
_:search departure cambridge
_:result amount earliest train
_:result arrive_by 19:51
_:result destination london kings cross
_:result type Train
_:system canthelp _:search/761639e3
_:search/761639e3 arrive_by 17:15
_:search/761639e3 type Train
_:system inquired _:user
_:search people 4
_:result ref ?
_:booking category Train
_:booking leave_at 19:00
_:booking ref UMS71SR7
_:booking ticket 75.52 GBP
_:booking type Booking
_:search area east
_:search has_internet yes
_:search category dontcare
_:search type Hotel
_:search arrive_by 17:15
_:search destination london
_:search day sunday
_:search departure cambridge
_:result amount earliest train
_:result arrive_by 19:51
_:result destination london kings cross
_:system canthelp _:search/761639e3
_:search/761639e3 arrive_by 17:15
_:search/761639e3 type Train
_:system inquired _:user
_:search people 4
_:result ref ?
_:booking category Train
_:booking leave_at 19:00
_:booking ref UMS71SR7
_:booking ticket 75.52 GBP
_:booking type Booking
_:search area east
_:search category dontcare
_:search pricerange ?
_:result count 7
_:result type Hotel
_:search has_internet yes
_:search stars 4
_:search type Hotel
_:search arrive_by 17:15
_:search destination london
_:search day sunday
_:search departure cambridge
_:result amount earliest train
_:result arrive_by 19:51
_:result destination london kings cross
_:system canthelp _:search/761639e3
_:search/761639e3 arrive_by 17:15
_:search/761639e3 type Train
_:system inquired _:user
_:search people 4
_:result ref ?
_:booking category Train
_:booking leave_at 19:00
_:booking ref UMS71SR7
_:booking ticket 75.52 GBP
_:booking type Booking
_:search area east
_:search category dontcare
_:result count 7
_:result type Hotel
_:search has_internet yes
_:search stars 4
_:search pricerange dontcare
_:search type Hotel
_:search arrive_by 17:15
_:search destination london
_:search day sunday
_:search departure cambridge
_:result amount earliest train
_:result arrive_by 19:51
_:result destination london kings cross
_:system canthelp _:search/761639e3
_:search/761639e3 arrive_by 17:15
_:search/761639e3 type Train
_:system inquired _:user
_:search people 4
_:result ref ?
_:booking category Train
_:booking leave_at 19:00
_:booking ref UMS71SR7
_:booking ticket 75.52 GBP
_:booking type Booking
_:search area east
_:search category dontcare
_:search has_internet yes
_:search stars 4
_:search pricerange dontcare
_:result count 6
_:result type Hotel
_:search has_parking dontcare
_:search type Hotel
_:search arrive_by 17:15
_:search destination london
_:search departure cambridge
_:result amount earliest train
_:result arrive_by 19:51
_:result destination london kings cross
_:system canthelp _:search/761639e3
_:search/761639e3 arrive_by 17:15
_:search/761639e3 type Train
_:system inquired _:user
_:result ref ?
_:booking category Train
_:booking leave_at 19:00
_:booking ref UMS71SR7
_:booking ticket 75.52 GBP
_:booking type Booking
_:search area east
_:search category dontcare
_:search has_internet yes
_:search stars 4
_:search pricerange dontcare
_:result count 6
_:search has_parking dontcare
_:result name allenbell
_:result type Hotel
_:search day tuesday
_:search people 4
_:search stay 5
_:search type Hotel
_:search arrive_by 17:15
_:search destination london
_:search departure cambridge
_:result amount earliest train
_:result arrive_by 19:51
_:result destination london kings cross
_:system canthelp _:search/761639e3
_:search/761639e3 arrive_by 17:15
_:search/761639e3 type Train
_:system inquired _:user
_:result ref ?
_:booking category Train
_:booking leave_at 19:00
_:booking ticket 75.52 GBP
_:search area east
_:search category dontcare
_:search has_internet yes
_:search stars 4
_:search pricerange dontcare
_:result count 6
_:search has_parking dontcare
_:result name allenbell
_:result type Hotel
_:search day tuesday
_:search people 4
_:search stay 5
_:search type Hotel
_:booking ref I4K0OYPF
_:booking type Booking