inform((_:search,destination,'cambridge');(_:search,type,'Train'))
user
I 'm looking for a train headed to Cambridge .
request((_:search,day,?);(_:search,departure,?);(_:search,leave_at,?);(_:search,type,'Train'))
system
When and where would you like to depart ?
inform((_:search,day,'wednesday');(_:search,departure,'stevenage');(_:search,type,'Train'))
user
I would like to depart from Stevenage on Wednesday .
request((_:search,arrive_by,?);(_:search,leave_at,?);(_:search,type,'Train'))
system
Is there a particular time you would like to leave or arrive by ?
inform((_:search,arrive_by,'8:30');(_:search,type,'Train'))
user
I would like to arrive by 8:30 .
inform((_:result,arrive_by,'06:43');(_:result,count,'1');(_:result,id,'TR9448');(_:result,leave_at,'05:54');(_:result,type,'Train'))
system
There is one options available TR9448 , leaves at 05:54 and arrives at 06:43 .
request((_:result,ticket,?);(_:result,type,'Train'))
user
Okay , could you tell me the price ?
inform((_:result,leave_at,'5:54');(_:result,ticket,'12.80 pounds');(_:result,type,'Train'))
system
The 5:54 train is 12.80 pounds .
request((_:result,ref,?);(_:result,type,'Train'))
user
Can you book it for me and send me the reference number ?
inform((_:booking,category,'Train');(_:booking,ref,'26GRQWBX');(_:booking,ticket,'12.8 GBP');(_:booking,type,'Booking'))
system
Booking was successful , the total fee is 12.8 GBP payable at the station . 
 Reference number is : 26GRQWBX .
inform((_:search,name,'tenpin');(_:search,type,'Attraction'))
user
I am also looking for the attraction , Tenpin .
inform((_:result,address,'cambridge leisure park , clifton way');(_:result,area,'south');(_:result,name,'Tenpin');(_:result,type,'Attraction'))
system
Tenpin is in the south . The address is cambridge leisure park , clifton way .
request((_:result,entrance_fee,?);(_:result,type,'Attraction'))
user
Is there an entrance fee ?
inform((_:result,entrance_fee,'database does not have that information currently available');(_:result,type,'Attraction'))
system
My database does not have that information currently available . Would you like the phone number so you can call and ask ?
user
Are you sure ? I 've always been able to get that information from this system . Can you check again please ?
inform((_:result,entrance_fee,'system does not provide the entrance fee');(_:result,name,'tenpin');(_:result,type,'Attraction'))
system
Our system does not provide the entrance fee for tenpin . You do n't have much experience with this system do you ?
thank()
user
Yeah , my first time taking a trip here , sorry .    I m sure the fee is no big deal , thank you so much for your help .
system
Thank you for using our service today !
_:search destination cambridge
_:search type Train
_:search destination cambridge
_:search leave_at ?
_:search day wednesday
_:search departure stevenage
_:search type Train
_:search destination cambridge
_:search day wednesday
_:search departure stevenage
_:search leave_at ?
_:search arrive_by 8:30
_:search type Train
_:search destination cambridge
_:search day wednesday
_:search departure stevenage
_:search leave_at ?
_:search arrive_by 8:30
_:search type Train
_:result arrive_by 06:43
_:result count 1
_:result id TR9448
_:result leave_at 05:54
_:result type Train
_:result ticket ?
_:search destination cambridge
_:search day wednesday
_:search departure stevenage
_:search leave_at ?
_:search arrive_by 8:30
_:search type Train
_:result arrive_by 06:43
_:result count 1
_:result id TR9448
_:result leave_at 5:54
_:result ticket 12.80 pounds
_:result type Train
_:result ref ?
_:search destination cambridge
_:search day wednesday
_:search departure stevenage
_:search leave_at ?
_:search arrive_by 8:30
_:result arrive_by 06:43
_:result count 1
_:result id TR9448
_:result leave_at 5:54
_:result ticket 12.80 pounds
_:result type Train
_:result ref ?
_:booking category Train
_:booking ref 26GRQWBX
_:booking ticket 12.8 GBP
_:booking type Booking
_:search name tenpin
_:search type Attraction
_:search destination cambridge
_:search day wednesday
_:search departure stevenage
_:search leave_at ?
_:search arrive_by 8:30
_:result arrive_by 06:43
_:result count 1
_:result id TR9448
_:result leave_at 5:54
_:result ticket 12.80 pounds
_:result ref ?
_:booking category Train
_:booking ref 26GRQWBX
_:booking ticket 12.8 GBP
_:booking type Booking
_:search name tenpin
_:search type Attraction
_:result address cambridge leisure park , clifton way
_:result area south
_:result name Tenpin
_:result type Attraction
_:result entrance_fee ?
_:search destination cambridge
_:search day wednesday
_:search departure stevenage
_:search leave_at ?
_:search arrive_by 8:30
_:result arrive_by 06:43
_:result count 1
_:result id TR9448
_:result leave_at 5:54
_:result ticket 12.80 pounds
_:result ref ?
_:booking category Train
_:booking ref 26GRQWBX
_:booking ticket 12.8 GBP
_:booking type Booking
_:search name tenpin
_:search type Attraction
_:result address cambridge leisure park , clifton way
_:result area south
_:result name Tenpin
_:result entrance_fee database does not have that information currently available
_:result type Attraction
_:search destination cambridge
_:search day wednesday
_:search departure stevenage
_:search leave_at ?
_:search arrive_by 8:30
_:result arrive_by 06:43
_:result count 1
_:result id TR9448
_:result leave_at 5:54
_:result ticket 12.80 pounds
_:result ref ?
_:booking category Train
_:booking ref 26GRQWBX
_:booking ticket 12.8 GBP
_:booking type Booking
_:search name tenpin
_:search type Attraction
_:result address cambridge leisure park , clifton way
_:result area south
_:result entrance_fee system does not provide the entrance fee
_:result name tenpin
_:result type Attraction