inform((_:search,food,'christmas');(_:search,type,'Restaurant'))
user
Are there any restaurants that serve christmas food around ?
request((_:search,food,?);(_:search,type,'Restaurant')) canthelp((_:search,food,'Christmas');(_:search,type,'Restaurant'))
system
I 'm sorry , I did n't get any matches for Christmas food . Is there another food type you would like to eat ?
inform((_:search,food,'british');(_:search,type,'Restaurant'))
user
How about British food ?
request((_:search,area,?);(_:search,pricerange,?);(_:search,type,'Restaurant')) inform((_:result,count,'11');(_:result,food,'british');(_:result,type,'Restaurant'))
system
I show 11 restaurants that serve british food . Do you have a certain price range or area ?
inform((_:search,area,'east');(_:search,type,'Restaurant'))
user
it should be in the east .
offer((_:booking,type,'Booking')) inform((_:result,name,'grafton hotel restaurant');(_:result,pricerange,'expensive');(_:result,type,'Restaurant'))
system
I have a expensive restaurant named grafton hotel restaurant . Would you like reservations for that place ?
inform((_:search,day,'saturday');(_:search,duration,'19:30');(_:search,people,'7');(_:search,type,'Restaurant'))
user
Yes , I will need one on Saturday at 19:30 for 7 people
reqmore() inform((_:booking,ref,'MPF2RO5X');(_:booking,type,'Booking'))
system
Booking was successful . The table will be reserved for 15 minutes . 
 Reference number is : MPF2RO5X . Do you need anything else ?
inform((_:search,day,'sunday');(_:search,departure,'london');(_:search,destination,'london liverpool street');(_:search,type,'Train'))
user
I also need a train leaving on Sunday for London Liverpool Street .
request((_:search,departure,?);(_:search,type,'Train'))
system
Where will you be leaving from ?
inform((_:search,arrive_by,'12:15');(_:search,departure,'cambridge');(_:search,destination,'London');(_:search,type,'Train'))
user
From Cambridge , and I 'd like to arrive in London around 12:15 .
inform((_:result,arrive_by,'11:27');(_:result,destination,'london liverpool street');(_:result,id,'TR0995');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
Train TR0995 arrives at london liverpool street at 11:27 , will that do ?
inform((_:search,people,'7');(_:search,type,'Train')) request((_:result,ref,?);(_:result,type,'Train'))
user
Perfect , I need 7 tickets and the reference number of the booking .
inform((_:booking,category,'Train');(_:booking,ref,'3EPMFSFA');(_:booking,ticket,'92.96 GBP');(_:booking,type,'Booking'))
system
Booking was successful , the total fee is 92.96 GBP payable at the station . 
 Reference number is : 3EPMFSFA .
thank()
user
I am all set , thank you for the help .
system
No thank you that will be all
_:search food christmas
_:search type Restaurant
_:system canthelp _:search/880bbbb6
_:search/880bbbb6 food Christmas
_:search/880bbbb6 type Restaurant
_:search food british
_:search type Restaurant
_:system canthelp _:search/880bbbb6
_:search/880bbbb6 food Christmas
_:search/880bbbb6 type Restaurant
_:search food british
_:search pricerange ?
_:result count 11
_:result food british
_:result type Restaurant
_:search area east
_:search type Restaurant
_:system canthelp _:search/880bbbb6
_:search/880bbbb6 food Christmas
_:search/880bbbb6 type Restaurant
_:search food british
_:search pricerange ?
_:result count 11
_:result food british
_:search area east
_:system offered _:booking
_:booking type Booking
_:result name grafton hotel restaurant
_:result pricerange expensive
_:result type Restaurant
_:search day saturday
_:search duration 19:30
_:search people 7
_:search type Restaurant
_:system canthelp _:search/880bbbb6
_:search/880bbbb6 food Christmas
_:search/880bbbb6 type Restaurant
_:search food british
_:search pricerange ?
_:result count 11
_:result food british
_:search area east
_:system offered _:booking
_:result name grafton hotel restaurant
_:result pricerange expensive
_:result type Restaurant
_:search duration 19:30
_:search people 7
_:system inquired _:user
_:booking ref MPF2RO5X
_:booking type Booking
_:search day sunday
_:search departure london
_:search destination london liverpool street
_:search type Train
_:system canthelp _:search/880bbbb6
_:search/880bbbb6 food Christmas
_:search/880bbbb6 type Restaurant
_:search food british
_:search pricerange ?
_:result count 11
_:result food british
_:search area east
_:system offered _:booking
_:result name grafton hotel restaurant
_:result pricerange expensive
_:result type Restaurant
_:search duration 19:30
_:search people 7
_:system inquired _:user
_:booking ref MPF2RO5X
_:booking type Booking
_:search day sunday
_:search arrive_by 12:15
_:search departure cambridge
_:search destination London
_:search type Train
_:system canthelp _:search/880bbbb6
_:search/880bbbb6 food Christmas
_:search/880bbbb6 type Restaurant
_:search food british
_:search pricerange ?
_:result count 11
_:result food british
_:search area east
_:system offered _:booking
_:result name grafton hotel restaurant
_:result pricerange expensive
_:search duration 19:30
_:system inquired _:user
_:booking ref MPF2RO5X
_:booking type Booking
_:search day sunday
_:search arrive_by 12:15
_:search departure cambridge
_:search destination London
_:result arrive_by 11:27
_:result destination london liverpool street
_:result id TR0995
_:result type Train
_:booking category Train
_:search people 7
_:search type Train
_:result ref ?
_:system canthelp _:search/880bbbb6
_:search/880bbbb6 food Christmas
_:search/880bbbb6 type Restaurant
_:search food british
_:search pricerange ?
_:result count 11
_:result food british
_:search area east
_:system offered _:booking
_:result name grafton hotel restaurant
_:result pricerange expensive
_:search duration 19:30
_:system inquired _:user
_:search day sunday
_:search arrive_by 12:15
_:search departure cambridge
_:search destination London
_:result arrive_by 11:27
_:result destination london liverpool street
_:result id TR0995
_:result type Train
_:search people 7
_:search type Train
_:result ref ?
_:booking category Train
_:booking ref 3EPMFSFA
_:booking ticket 92.96 GBP
_:booking type Booking