inform((_:search,type,'Attraction'))
user
I 'm just looking for a cool place to go later .
request((_:search,area,?);(_:search,type,'Attraction'))
system
Which area do you want to go to ?
inform((_:search,category,'college');(_:search,type,'Attraction')) request((_:result,entrance_fee,?);(_:result,type,'Attraction'))
user
I would like to visit a college , what would the entrance fee be ?
request((_:search,area,?);(_:search,type,'Attraction')) inform((_:result,entrance_fee,'Almost all of them are free');(_:result,name,"Christ 's college");(_:result,type,'Attraction'))
system
Almost all of them are free . Christ 's college is famous and free . What part of town do you prefer ?
inform((_:search,type,'Train'))
user
I do n't prefer a part of town . I need to find a train to get there . Can you help me with that too ?
request((_:search,day,?);(_:search,type,'Train'))
system
Yes , when would you like to travel ?
inform((_:search,day,'tuesday');(_:search,type,'Train'))
user
I would like to leave on tuesday .
inform((_:result,area,'Centre');(_:result,name,"Christ 's college");(_:result,type,'Attraction')) request((_:search,departure,?);(_:search,leave_at,?);(_:search,type,'Train')) inform((_:result,day,'Tuesday');(_:result,type,'Train'))
system
Christ 's college is located in Centre . Where will you be departing from on Tuesday and what time ?
request((_:result,entrance_fee,?);(_:result,phone,?);(_:result,type,'Attraction'))
user
hold the phone . what is the entrance fee for christ 's college ?
inform((_:result,category,'free');(_:result,name,"Christ 's College");(_:result,type,'Attraction'))
system
Christ 's College is free admission .
inform((_:search,arrive_by,'18:15');(_:search,departure,'birmingham new street');(_:search,type,'Train'))
user
Great I also need a train departing from birmingham new street and arriving by 18:15
inform((_:booking,category,'Train');(_:booking,type,'Booking'))
system
I 'm sorry there are no trains that fit that criteria . Would you be able to arrive any later ?
inform((_:search,arrive_by,'18:15');(_:search,day,'wednesday');(_:search,departure,'birmingham new street');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
Are you sure ? Can you please check again for a Wednesday train from Birmingham New Street to Cambridge , arriving by 18:15 ?
canthelp((_:search,type,'Train'))
system
I am sorry I can not find anything for those specifications
inform((_:search,arrive_by,'18:15');(_:search,type,'Train'))
user
I find it hard to beleive there are no trains arriving by 18:15 . It does n't need to arrive AT 18:15 just before that . Please check again .
inform((_:result,arrive_by,'17:23');(_:result,departure,'birmingham new street');(_:result,destination,'Cambridge');(_:result,duration,'163 minutes');(_:result,id,'TR2286');(_:result,leave_at,'14:40');(_:result,ticket,'75.10 pounds');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
TR2286 leaves birmingham new street at 14:40 and arrives in Cambridge at 17:23 . The price is 75.10 pounds and takes 163 minutes . May I book this for you ?
inform((_:search,people,'one');(_:search,type,'Train'))
user
Yes please , just one ticket .
inform((_:booking,category,'Train');(_:booking,ref,'JWJXOOQU');(_:booking,ticket,'75.09 GBP');(_:booking,type,'Booking'))
system
Booking was successful , the total fee is 75.09 GBP payable at the station . 
 Reference number is : JWJXOOQU .
thank()
user
Thank you that is all I needed today .
system
I 'm sorry for the confusion earlier , I hope you have a lovely time here .
_:search type Attraction
_:search area ?
_:search category college
_:search type Attraction
_:result entrance_fee ?
_:result type Attraction
_:search category college
_:search area ?
_:result entrance_fee Almost all of them are free
_:result name Christ 's college
_:result type Attraction
_:search type Train
_:search category college
_:search area ?
_:result entrance_fee Almost all of them are free
_:result name Christ 's college
_:result type Attraction
_:search day tuesday
_:search type Train
_:search category college
_:search area ?
_:result entrance_fee Almost all of them are free
_:search day tuesday
_:result area Centre
_:result name Christ 's college
_:search departure ?
_:search leave_at ?
_:search type Train
_:result day Tuesday
_:result type Train
_:result entrance_fee ?
_:result phone ?
_:result type Attraction
_:search category college
_:search area ?
_:result entrance_fee Almost all of them are free
_:search day tuesday
_:result area Centre
_:search leave_at ?
_:result day Tuesday
_:result entrance_fee ?
_:result phone ?
_:result category free
_:result name Christ 's College
_:result type Attraction
_:search arrive_by 18:15
_:search departure birmingham new street
_:search type Train
_:search category college
_:search area ?
_:result entrance_fee Almost all of them are free
_:result area Centre
_:search leave_at ?
_:result day Tuesday
_:result entrance_fee ?
_:result phone ?
_:result category free
_:result name Christ 's College
_:result type Attraction
_:booking category Train
_:booking type Booking
_:search arrive_by 18:15
_:search day wednesday
_:search departure birmingham new street
_:search destination cambridge
_:search type Train
_:search category college
_:search area ?
_:result entrance_fee Almost all of them are free
_:result area Centre
_:search leave_at ?
_:result day Tuesday
_:result entrance_fee ?
_:result phone ?
_:result category free
_:result name Christ 's College
_:result type Attraction
_:booking category Train
_:booking type Booking
_:search day wednesday
_:search departure birmingham new street
_:search destination cambridge
_:system canthelp _:search/fce5430a
_:search/fce5430a type Train
_:search arrive_by 18:15
_:search type Train
_:search category college
_:search area ?
_:result entrance_fee Almost all of them are free
_:result area Centre
_:search leave_at ?
_:result day Tuesday
_:result entrance_fee ?
_:result phone ?
_:result category free
_:result name Christ 's College
_:booking category Train
_:booking type Booking
_:search day wednesday
_:search departure birmingham new street
_:search destination cambridge
_:system canthelp _:search/fce5430a
_:search/fce5430a type Train
_:search arrive_by 18:15
_:result arrive_by 17:23
_:result departure birmingham new street
_:result destination Cambridge
_:result duration 163 minutes
_:result id TR2286
_:result leave_at 14:40
_:result ticket 75.10 pounds
_:result type Train
_:system offered _:booking
_:search people one
_:search type Train
_:search category college
_:search area ?
_:result entrance_fee Almost all of them are free
_:result area Centre
_:search leave_at ?
_:result day Tuesday
_:result entrance_fee ?
_:result phone ?
_:result category free
_:result name Christ 's College
_:search day wednesday
_:search departure birmingham new street
_:search destination cambridge
_:system canthelp _:search/fce5430a
_:search/fce5430a type Train
_:search arrive_by 18:15
_:result arrive_by 17:23
_:result departure birmingham new street
_:result destination Cambridge
_:result duration 163 minutes
_:result id TR2286
_:result leave_at 14:40
_:result ticket 75.10 pounds
_:result type Train
_:system offered _:booking
_:search people one
_:search type Train
_:booking category Train
_:booking ref JWJXOOQU
_:booking ticket 75.09 GBP
_:booking type Booking