inform((_:search,departure,'cambridge');(_:search,destination,'norwich');(_:search,type,'Train'))
user
I need a train to go from Cambridge to Norwich .
request((_:search,day,?);(_:search,type,'Train'))
system
What day of the week are you looking to travel ?
inform((_:search,day,'sunday');(_:search,type,'Train'))
user
I am traveling on Sunday
request((_:search,arrive_by,?);(_:search,leave_at,?);(_:search,type,'Train'))
system
What time would you like to leave or arrive by ?
inform((_:search,arrive_by,'13:45');(_:search,type,'Train'))
user
I would like to arrive by 13:45 .
inform((_:result,arrive_by,'12:55');(_:result,id,'TR7438');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
I have the TR7438 that will arrive at 12:55 . Would you like a booking made today ?
inform((_:search,people,'4');(_:search,type,'Train'))
user
I would like to book that train for 4 people please .
inform((_:result,ref,'7G6OJ8G2');(_:result,type,'Train')) reqmore()
system
7G6OJ8G2 is your   confirmation code . May I help you further ?
inform((_:search,category,'guesthouse');(_:search,pricerange,'moderate');(_:search,type,'Hotel'))
user
yeah , I 'm also looking for a place to stay . I do n't like hotels , so a guesthouse would be better . Moderate in price .
request((_:search,area,?);(_:search,type,'Hotel')) inform((_:result,amount,'several');(_:result,category,'guesthouses');(_:result,pricerange,'moderate priced');(_:result,type,'Hotel'))
system
There are several moderate priced guesthouses do you   have a preferred area that you want to stay in ?
inform((_:search,area,'east');(_:search,has_parking,'dontcare');(_:search,type,'Hotel'))
user
Yes , the hotel should be in the east and does n't need to have free parking .
offer((_:booking,type,'Booking')) inform((_:result,area,'east');(_:result,category,'guesthouse');(_:result,name,'a and b guest house');(_:result,pricerange,'moderate');(_:result,type,'Hotel'))
system
a and b guest house is a guesthouse in the east and it is moderate . Shall I book it ?
inform((_:search,has_internet,'yes');(_:search,type,'Hotel'))
user
can I have the star rating and idf they have wi fi ?
inform((_:result,has_internet,'none');(_:result,stars,'4');(_:result,type,'Hotel'))
system
The star rating is 4 and they do have free wifi .
thank()
user
OK , that 's all I need for now . Thanks .
thank()
system
Great . I hope you have an excellent day .
thank()
user
Thanks you too Goodbye
system
Great ! Have a good day .
_:search departure cambridge
_:search destination norwich
_:search type Train
_:search departure cambridge
_:search destination norwich
_:search day sunday
_:search type Train
_:search departure cambridge
_:search destination norwich
_:search day sunday
_:search leave_at ?
_:search arrive_by 13:45
_:search type Train
_:search departure cambridge
_:search destination norwich
_:search day sunday
_:search leave_at ?
_:search arrive_by 13:45
_:result arrive_by 12:55
_:result id TR7438
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search people 4
_:search type Train
_:search departure cambridge
_:search destination norwich
_:search day sunday
_:search leave_at ?
_:search arrive_by 13:45
_:result arrive_by 12:55
_:result id TR7438
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search people 4
_:result ref 7G6OJ8G2
_:result type Train
_:system inquired _:user
_:search category guesthouse
_:search pricerange moderate
_:search type Hotel
_:search departure cambridge
_:search destination norwich
_:search day sunday
_:search leave_at ?
_:search arrive_by 13:45
_:result arrive_by 12:55
_:result id TR7438
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search people 4
_:result ref 7G6OJ8G2
_:system inquired _:user
_:search category guesthouse
_:search pricerange moderate
_:result amount several
_:result category guesthouses
_:result pricerange moderate priced
_:result type Hotel
_:search area east
_:search has_parking dontcare
_:search type Hotel
_:search departure cambridge
_:search destination norwich
_:search day sunday
_:search leave_at ?
_:search arrive_by 13:45
_:result arrive_by 12:55
_:result id TR7438
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search people 4
_:result ref 7G6OJ8G2
_:system inquired _:user
_:search category guesthouse
_:search pricerange moderate
_:result amount several
_:search area east
_:search has_parking dontcare
_:result area east
_:result category guesthouse
_:result name a and b guest house
_:result pricerange moderate
_:result type Hotel
_:search has_internet yes
_:search type Hotel
_:search departure cambridge
_:search destination norwich
_:search day sunday
_:search leave_at ?
_:search arrive_by 13:45
_:result arrive_by 12:55
_:result id TR7438
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search people 4
_:result ref 7G6OJ8G2
_:system inquired _:user
_:search category guesthouse
_:search pricerange moderate
_:result amount several
_:search area east
_:search has_parking dontcare
_:result area east
_:result category guesthouse
_:result name a and b guest house
_:result pricerange moderate
_:search has_internet yes
_:search type Hotel
_:result has_internet none
_:result stars 4
_:result type Hotel
_:search departure cambridge
_:search destination norwich
_:search day sunday
_:search leave_at ?
_:search arrive_by 13:45
_:result arrive_by 12:55
_:result id TR7438
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search people 4
_:result ref 7G6OJ8G2
_:system inquired _:user
_:search category guesthouse
_:search pricerange moderate
_:result amount several
_:search area east
_:search has_parking dontcare
_:result area east
_:result category guesthouse
_:result name a and b guest house
_:result pricerange moderate
_:search has_internet yes
_:search type Hotel
_:result has_internet none
_:result stars 4
_:result type Hotel