inform((_:search,destination,'cambridge');(_:search,leave_at,'15:15');(_:search,type,'Train'))
user
I 'm looking for a train schedule after 15:15 , going to Cambridge .
inform((_:result,amount,'several');(_:result,type,'Train')) request((_:search,day,?);(_:search,departure,?);(_:search,type,'Train'))
system
There are several trains available for you . Where are you departing from and what day would you prefer ?
inform((_:search,day,'saturday');(_:search,departure,'broxbourne');(_:search,leave_at,'15:15');(_:search,type,'Train'))
user
i 'm leaving from broxbourne to leave on saturday after 15:15
request((_:search,arrive_by,?);(_:search,type,'Train'))
system
Is there a time you would prefer to arrive ?
inform((_:search,people,'two');(_:search,type,'Train'))
user
No , but I would like the booking made for two people .
reqmore() inform((_:booking,category,'Train');(_:booking,ref,'N5FLMFK9');(_:booking,ticket,'35.79 GBP');(_:booking,type,'Booking'))
system
Booking was successful , the total fee is 35.79 GBP payable at the station . 
 Reference number is : N5FLMFK9 . Anything else you need ?
inform((_:search,area,'center');(_:search,food,'italian');(_:search,type,'Restaurant'))
user
Yes , are there any italian restaurants in the center of town ?
offer((_:booking,type,'Booking')) inform((_:result,address,'regent street city centre');(_:result,name,'pizza hut city centre');(_:result,type,'Restaurant'))
system
Yes I have pizza hut city centre located at regent street city centre .   Would you like to make a table reservation ?
inform((_:search,day,'saturday');(_:search,duration,'19:45');(_:search,people,'2');(_:search,type,'Restaurant')) request((_:result,ref,?);(_:result,type,'Restaurant'))
user
Yes please . Can you book it for Saturday at 19:45 for 2 and get me a reference number ?
canthelp((_:booking,type,'Booking')) request((_:booking,day,?);(_:booking,duration,?);(_:booking,type,'Booking'))
system
I 'm sorry , they did n't have that time available . Would you like to try a different time or a different day ?
inform((_:search,duration,'18:45');(_:search,type,'Restaurant'))
user
Yes , can you try for 18:45 instead ?
inform((_:booking,ref,'D1CJSO6Z');(_:booking,type,'Booking')) thank()
system
Sure thing ! Your reference number is D1CJSO6Z .
thank()
user
Thank you for your help !
reqmore()
system
Did you need any further assistance today ?
thank()
user
That is all , thanks again .
system
I 'm glad we could help . Have a nice day .
_:search destination cambridge
_:search leave_at 15:15
_:search type Train
_:search destination cambridge
_:result amount several
_:result type Train
_:search day saturday
_:search departure broxbourne
_:search leave_at 15:15
_:search type Train
_:search destination cambridge
_:result amount several
_:result type Train
_:search day saturday
_:search departure broxbourne
_:search leave_at 15:15
_:search arrive_by ?
_:search people two
_:search type Train
_:search destination cambridge
_:result amount several
_:result type Train
_:search day saturday
_:search departure broxbourne
_:search leave_at 15:15
_:search arrive_by ?
_:search people two
_:system inquired _:user
_:booking category Train
_:booking ref N5FLMFK9
_:booking ticket 35.79 GBP
_:booking type Booking
_:search area center
_:search food italian
_:search type Restaurant
_:search destination cambridge
_:result amount several
_:search departure broxbourne
_:search leave_at 15:15
_:search arrive_by ?
_:system inquired _:user
_:booking category Train
_:booking ref N5FLMFK9
_:booking ticket 35.79 GBP
_:booking type Booking
_:search area center
_:search food italian
_:system offered _:booking
_:result address regent street city centre
_:result name pizza hut city centre
_:result type Restaurant
_:search day saturday
_:search duration 19:45
_:search people 2
_:search type Restaurant
_:result ref ?
_:search destination cambridge
_:result amount several
_:search departure broxbourne
_:search leave_at 15:15
_:search arrive_by ?
_:system inquired _:user
_:booking category Train
_:booking ref N5FLMFK9
_:booking ticket 35.79 GBP
_:search area center
_:search food italian
_:system offered _:booking
_:result address regent street city centre
_:result name pizza hut city centre
_:result type Restaurant
_:search day saturday
_:search people 2
_:result ref ?
_:system canthelp _:booking/cd1f1b1c
_:booking/cd1f1b1c type Booking
_:booking day ?
_:booking duration ?
_:booking type Booking
_:search duration 18:45
_:search type Restaurant
_:search destination cambridge
_:result amount several
_:search departure broxbourne
_:search leave_at 15:15
_:search arrive_by ?
_:system inquired _:user
_:booking category Train
_:booking ticket 35.79 GBP
_:search area center
_:search food italian
_:system offered _:booking
_:result address regent street city centre
_:result name pizza hut city centre
_:result type Restaurant
_:search day saturday
_:search people 2
_:result ref ?
_:system canthelp _:booking/cd1f1b1c
_:booking/cd1f1b1c type Booking
_:booking day ?
_:booking duration ?
_:search duration 18:45
_:search type Restaurant
_:booking ref D1CJSO6Z
_:booking type Booking
_:search destination cambridge
_:result amount several
_:search departure broxbourne
_:search leave_at 15:15
_:search arrive_by ?
_:booking category Train
_:booking ticket 35.79 GBP
_:search area center
_:search food italian
_:system offered _:booking
_:result address regent street city centre
_:result name pizza hut city centre
_:result type Restaurant
_:search day saturday
_:search people 2
_:result ref ?
_:system canthelp _:booking/cd1f1b1c
_:booking/cd1f1b1c type Booking
_:booking day ?
_:booking duration ?
_:search duration 18:45
_:search type Restaurant
_:booking ref D1CJSO6Z
_:booking type Booking
_:system inquired _:user