inform((_:search,food,'danish');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
Get me a list of expensive restaurants that serve Danish food please
request((_:search,food,?);(_:search,type,'Restaurant')) canthelp((_:search,food,'Danish');(_:search,type,'Restaurant'))
system
There are no restaurants that serve Danish food . Is there another food type you might be interested in ?
inform((_:search,food,'indian');(_:search,type,'Restaurant'))
user
How about an Indian restaurant ?
inform((_:result,amount,'a variety');(_:result,type,'Restaurant'))
system
yes we have a variety
inform((_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
How about an expensive one ?
request((_:search,area,?);(_:search,type,'Restaurant')) inform((_:result,count,'14');(_:result,food,'Indian');(_:result,pricerange,'expensive');(_:result,type,'Restaurant'))
system
We have 14 expensive Indian restaurants . Do you have an area you prefer ?
user
Which one do you recommend ?
offer((_:booking,type,'Booking')) inform((_:result,area,'west');(_:result,name,'Tandoori Palace');(_:result,type,'Restaurant'))
system
I 'd recommend Tandoori Palace in the west , would you like to make a reservation ?
inform((_:search,day,'tuesday');(_:search,duration,'15:45');(_:search,people,'1');(_:search,type,'Restaurant'))
user
Yes , please . Can you reserve me a table for Tuesday for 1 person at 15:45 ?
inform((_:booking,ref,'XK9YEIFF');(_:booking,type,'Booking'))
system
I was able to book it , your reference number is XK9YEIFF .
inform((_:search,day,'wednesday');(_:search,destination,'leicester');(_:search,type,'Train'))
user
I also need a train going to Leicester on Wednesday .
request((_:search,arrive_by,?);(_:search,type,'Train'))
system
Is there a certain time that you would like to arrive ?
inform((_:search,arrive_by,'dontcare');(_:search,leave_at,'18:00');(_:search,type,'Train'))
user
I would like it to leave after 18:00 . No arrival preference .
inform((_:result,day,'Wednesday');(_:result,departure,'Cambridge');(_:result,destination,'Leicester');(_:result,id,'TR8304');(_:result,leave_at,'18:21');(_:result,ticket,'37.80');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
I have the TR8304 train departing from Cambridge to Leicester on Wednesday at 18:21 it will cost 37.80 . Would you like to book a ticket ?
inform((_:search,people,'1');(_:search,type,'Train'))
user
Yes , please book 1 train ticket .
reqmore() inform((_:booking,category,'Train');(_:booking,ref,'0UAKW9NO');(_:booking,ticket,'37.79 GBP');(_:booking,type,'Booking'))
system
Booking was successful , the total fee is 37.79 GBP payable at the station . 
 Reference number is : 0UAKW9NO . Can I help you with anything else today ?
request((_:result,arrive_by,?);(_:result,duration,?);(_:result,type,'Train'))
user
Actually , I 'll need the travel time and arrival time for that train , please ?
inform((_:result,arrive_by,'20:06');(_:result,day,'Wednesday');(_:result,duration,'105 minutes');(_:result,leave_at,'18:21');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
The total travel time 105 minutes . You depart at 18:21 and arrive at 20:06 on Wednesday . Is this acceptable ?
thank()
user
Yes it is , thanks for your assistance .
thank() reqmore()
system
My pleasure .   How else can I help you ?
thank()
user
That is all the information I need . Thank you .
system
You are very welcome . Thank you for contacting the Cambridge TownInfo centre and have a great day !
_:search food danish
_:search pricerange expensive
_:search type Restaurant
_:search pricerange expensive
_:system canthelp _:search/007193a0
_:search/007193a0 food Danish
_:search/007193a0 type Restaurant
_:search food indian
_:search type Restaurant
_:system canthelp _:search/007193a0
_:search/007193a0 food Danish
_:search/007193a0 type Restaurant
_:search food indian
_:result amount a variety
_:result type Restaurant
_:search pricerange expensive
_:search type Restaurant
_:system canthelp _:search/007193a0
_:search/007193a0 food Danish
_:search/007193a0 type Restaurant
_:search food indian
_:result amount a variety
_:search pricerange expensive
_:search area ?
_:search type Restaurant
_:result count 14
_:result food Indian
_:result pricerange expensive
_:result type Restaurant
_:system canthelp _:search/007193a0
_:search/007193a0 food Danish
_:search/007193a0 type Restaurant
_:search food indian
_:result amount a variety
_:search pricerange expensive
_:search area ?
_:result count 14
_:result food Indian
_:result pricerange expensive
_:system offered _:booking
_:booking type Booking
_:result area west
_:result name Tandoori Palace
_:result type Restaurant
_:search day tuesday
_:search duration 15:45
_:search people 1
_:search type Restaurant
_:system canthelp _:search/007193a0
_:search/007193a0 food Danish
_:search/007193a0 type Restaurant
_:search food indian
_:result amount a variety
_:search pricerange expensive
_:search area ?
_:result count 14
_:result food Indian
_:result pricerange expensive
_:system offered _:booking
_:result area west
_:result name Tandoori Palace
_:result type Restaurant
_:search duration 15:45
_:search people 1
_:booking ref XK9YEIFF
_:booking type Booking
_:search day wednesday
_:search destination leicester
_:search type Train
_:system canthelp _:search/007193a0
_:search/007193a0 food Danish
_:search/007193a0 type Restaurant
_:search food indian
_:result amount a variety
_:search pricerange expensive
_:search area ?
_:result count 14
_:result food Indian
_:result pricerange expensive
_:system offered _:booking
_:result area west
_:result name Tandoori Palace
_:result type Restaurant
_:search duration 15:45
_:search people 1
_:booking ref XK9YEIFF
_:booking type Booking
_:search day wednesday
_:search destination leicester
_:search arrive_by dontcare
_:search leave_at 18:00
_:search type Train
_:system canthelp _:search/007193a0
_:search/007193a0 food Danish
_:search/007193a0 type Restaurant
_:search food indian
_:result amount a variety
_:search pricerange expensive
_:search area ?
_:result count 14
_:result food Indian
_:result pricerange expensive
_:system offered _:booking
_:result area west
_:result name Tandoori Palace
_:search duration 15:45
_:booking ref XK9YEIFF
_:booking type Booking
_:search day wednesday
_:search destination leicester
_:search arrive_by dontcare
_:search leave_at 18:00
_:result day Wednesday
_:result departure Cambridge
_:result destination Leicester
_:result id TR8304
_:result leave_at 18:21
_:result ticket 37.80
_:result type Train
_:booking category Train
_:search people 1
_:search type Train
_:system canthelp _:search/007193a0
_:search/007193a0 food Danish
_:search/007193a0 type Restaurant
_:search food indian
_:result amount a variety
_:search pricerange expensive
_:search area ?
_:result count 14
_:result food Indian
_:result pricerange expensive
_:system offered _:booking
_:result area west
_:result name Tandoori Palace
_:search duration 15:45
_:search day wednesday
_:search destination leicester
_:search arrive_by dontcare
_:search leave_at 18:00
_:result day Wednesday
_:result departure Cambridge
_:result destination Leicester
_:result id TR8304
_:result leave_at 18:21
_:result ticket 37.80
_:result type Train
_:search people 1
_:search type Train
_:system inquired _:user
_:booking category Train
_:booking ref 0UAKW9NO
_:booking ticket 37.79 GBP
_:booking type Booking
_:result arrive_by ?
_:result duration ?
_:system canthelp _:search/007193a0
_:search/007193a0 food Danish
_:search/007193a0 type Restaurant
_:search food indian
_:result amount a variety
_:search pricerange expensive
_:search area ?
_:result count 14
_:result food Indian
_:result pricerange expensive
_:system offered _:booking
_:result area west
_:result name Tandoori Palace
_:search duration 15:45
_:search day wednesday
_:search destination leicester
_:search arrive_by dontcare
_:search leave_at 18:00
_:result departure Cambridge
_:result destination Leicester
_:result id TR8304
_:result ticket 37.80
_:search people 1
_:search type Train
_:system inquired _:user
_:booking category Train
_:booking ref 0UAKW9NO
_:booking ticket 37.79 GBP
_:booking type Booking
_:result arrive_by 20:06
_:result day Wednesday
_:result duration 105 minutes
_:result leave_at 18:21
_:result type Train
_:system canthelp _:search/007193a0
_:search/007193a0 food Danish
_:search/007193a0 type Restaurant
_:search food indian
_:result amount a variety
_:search pricerange expensive
_:search area ?
_:result count 14
_:result food Indian
_:result pricerange expensive
_:system offered _:booking
_:result area west
_:result name Tandoori Palace
_:search duration 15:45
_:search day wednesday
_:search destination leicester
_:search arrive_by dontcare
_:search leave_at 18:00
_:result departure Cambridge
_:result destination Leicester
_:result id TR8304
_:result ticket 37.80
_:search people 1
_:search type Train
_:booking category Train
_:booking ref 0UAKW9NO
_:booking ticket 37.79 GBP
_:booking type Booking
_:result arrive_by 20:06
_:result day Wednesday
_:result duration 105 minutes
_:result leave_at 18:21
_:result type Train
_:system inquired _:user