inform((_:search,food,'indian');(_:search,pricerange,'cheap');(_:search,type,'Restaurant'))
user
Hi , I 'm looking for a place to eat , preferably a cheap South Indian restaurant .
inform((_:result,food,'Indian');(_:result,name,'kohinoor');(_:result,pricerange,'cheap');(_:result,type,'Restaurant'))
system
Hi , kohinoor is a cheap Indian restaurant , but does n't specify that it is South Indian . Would you like the phone number ?
inform((_:search,area,'centre');(_:search,type,'Restaurant'))
user
Is it in the centre of the city ?
inform((_:result,area,'centre');(_:result,phone,'01223323639');(_:result,type,'Restaurant'))
system
Yes , it is indeed in the centre . The phone number is 01223323639
thank()
user
Ok , thank you .
inform((_:booking,name,'Kohinoor');(_:booking,type,'Booking'))
system
Would you like for me to book a table at Kohinoor for you ?
inform((_:search,day,'wednesday');(_:search,duration,'18:00');(_:search,type,'Restaurant'))
user
Yes , please .   18:00 on Wednesday for just myself .
canthelp((_:booking,duration,'that time');(_:booking,type,'Booking')) request((_:booking,duration,?);(_:booking,type,'Booking'))
system
I 'm sorry , they 're all booked up at that time . Would you like to try a different time ?
inform((_:search,duration,'17:00');(_:search,type,'Restaurant'))
user
how about 17:00 .
inform((_:booking,ref,'HEJFVRPP');(_:booking,type,'Booking'))
system
I was able to book that , your reference number is HEJFVRPP .
inform((_:search,day,'thursday');(_:search,departure,'cambridge');(_:search,type,'Train'))
user
Great ! I am also looking for a train that leaves on thursday and departs from cambridge .
request((_:search,destination,?);(_:search,type,'Train'))
system
What is your destination ?
inform((_:search,arrive_by,'21:45');(_:search,destination,'stevenage');(_:search,type,'Train'))
user
Destination is Stevenage .   I would like to arrive by 21:45 .   Can you book the train for me as well ?
inform((_:result,arrive_by,'21:45');(_:result,count,'8');(_:result,type,'Train')) request((_:search,leave_at,?);(_:search,type,'Train'))
system
There are 8 trains that will arrive by 21:45 .   What time would you like to depart ?
inform((_:search,arrive_by,'21:45');(_:search,type,'Train'))
user
What 's the last train to arrive by 21:45 ?
inform((_:result,arrive_by,'20:10');(_:result,leave_at,'19:21');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
It would be the one leaving at 19:21 and arriving at 20:10 . Shall I book it ?
request((_:result,ref,?);(_:result,type,'Train'))
user
Yes , that would be great . Could I get a reference number please ?
request((_:search,people,?);(_:search,type,'Train'))
system
How many tickets do you need ?
inform((_:search,people,'1');(_:search,type,'Train'))
user
I need 1 ticket .
inform((_:booking,category,'Train');(_:booking,ref,'5TM8STAM');(_: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 : 5TM8STAM .
thank()
user
Thank you for the help , have a nice day .
system
It was a pleasure to serve you have a great day
_:search food indian
_:search pricerange cheap
_:search type Restaurant
_:search food indian
_:search pricerange cheap
_:result food Indian
_:result name kohinoor
_:result pricerange cheap
_:result type Restaurant
_:search area centre
_:search type Restaurant
_:search food indian
_:search pricerange cheap
_:result food Indian
_:result name kohinoor
_:result pricerange cheap
_:search area centre
_:search type Restaurant
_:result area centre
_:result phone 01223323639
_:result type Restaurant
_:search food indian
_:search pricerange cheap
_:result food Indian
_:result name kohinoor
_:result pricerange cheap
_:search area centre
_:result area centre
_:result phone 01223323639
_:result type Restaurant
_:booking name Kohinoor
_:booking type Booking
_:search day wednesday
_:search duration 18:00
_:search type Restaurant
_:search food indian
_:search pricerange cheap
_:result food Indian
_:result name kohinoor
_:result pricerange cheap
_:search area centre
_:result area centre
_:result phone 01223323639
_:result type Restaurant
_:booking name Kohinoor
_:search day wednesday
_:system canthelp _:booking/32bb696d
_:booking/32bb696d duration that time
_:booking/32bb696d type Booking
_:booking duration ?
_:booking type Booking
_:search duration 17:00
_:search type Restaurant
_:search food indian
_:search pricerange cheap
_:result food Indian
_:result name kohinoor
_:result pricerange cheap
_:search area centre
_:result area centre
_:result phone 01223323639
_:result type Restaurant
_:booking name Kohinoor
_:system canthelp _:booking/32bb696d
_:booking/32bb696d duration that time
_:booking/32bb696d type Booking
_:booking duration ?
_:search duration 17:00
_:booking ref HEJFVRPP
_:booking type Booking
_:search day thursday
_:search departure cambridge
_:search type Train
_:search food indian
_:search pricerange cheap
_:result food Indian
_:result name kohinoor
_:result pricerange cheap
_:search area centre
_:result area centre
_:result phone 01223323639
_:result type Restaurant
_:booking name Kohinoor
_:system canthelp _:booking/32bb696d
_:booking/32bb696d duration that time
_:booking/32bb696d type Booking
_:booking duration ?
_:search duration 17:00
_:booking ref HEJFVRPP
_:booking type Booking
_:search day thursday
_:search departure cambridge
_:search arrive_by 21:45
_:search destination stevenage
_:search type Train
_:search food indian
_:search pricerange cheap
_:result food Indian
_:result name kohinoor
_:result pricerange cheap
_:search area centre
_:result area centre
_:result phone 01223323639
_:booking name Kohinoor
_:system canthelp _:booking/32bb696d
_:booking/32bb696d duration that time
_:booking/32bb696d type Booking
_:booking duration ?
_:search duration 17:00
_:booking ref HEJFVRPP
_:booking type Booking
_:search day thursday
_:search departure cambridge
_:search destination stevenage
_:result arrive_by 21:45
_:result count 8
_:result type Train
_:search leave_at ?
_:search arrive_by 21:45
_:search type Train
_:search food indian
_:search pricerange cheap
_:result food Indian
_:result name kohinoor
_:result pricerange cheap
_:search area centre
_:result area centre
_:result phone 01223323639
_:booking name Kohinoor
_:system canthelp _:booking/32bb696d
_:booking/32bb696d duration that time
_:booking/32bb696d type Booking
_:booking duration ?
_:search duration 17:00
_:booking ref HEJFVRPP
_:booking type Booking
_:search day thursday
_:search departure cambridge
_:search destination stevenage
_:result count 8
_:search leave_at ?
_:search arrive_by 21:45
_:search type Train
_:result arrive_by 20:10
_:result leave_at 19:21
_:result type Train
_:system offered _:booking
_:booking category Train
_:result ref ?
_:search food indian
_:search pricerange cheap
_:result food Indian
_:result name kohinoor
_:result pricerange cheap
_:search area centre
_:result area centre
_:result phone 01223323639
_:booking name Kohinoor
_:system canthelp _:booking/32bb696d
_:booking/32bb696d duration that time
_:booking/32bb696d type Booking
_:booking duration ?
_:search duration 17:00
_:booking ref HEJFVRPP
_:booking type Booking
_:search day thursday
_:search departure cambridge
_:search destination stevenage
_:result count 8
_:search leave_at ?
_:search arrive_by 21:45
_:result arrive_by 20:10
_:result leave_at 19:21
_:result type Train
_:system offered _:booking
_:booking category Train
_:result ref ?
_:search people 1
_:search type Train
_:search food indian
_:search pricerange cheap
_:result food Indian
_:result name kohinoor
_:result pricerange cheap
_:search area centre
_:result area centre
_:result phone 01223323639
_:booking name Kohinoor
_:system canthelp _:booking/32bb696d
_:booking/32bb696d duration that time
_:booking/32bb696d type Booking
_:booking duration ?
_:search duration 17:00
_:search day thursday
_:search departure cambridge
_:search destination stevenage
_:result count 8
_:search leave_at ?
_:search arrive_by 21:45
_:result arrive_by 20:10
_:result leave_at 19:21
_:result type Train
_:system offered _:booking
_:result ref ?
_:search people 1
_:search type Train
_:booking category Train
_:booking ref 5TM8STAM
_:booking ticket 12.8 GBP
_:booking type Booking