inform((_:search,arrive_by,'19:30');(_:search,destination,'cambridge');(_:search,leave_at,'19:30');(_:search,type,'Train'))
user
I need to get to cambridge after 19:30
inform((_:result,arrive_by,'19:30');(_:result,count,'300');(_:result,destination,'cambridge');(_:result,type,'Train')) request((_:search,day,?);(_:search,departure,?);(_:search,type,'Train'))
system
There are more than 300 trains that arrive in cambridge after 19:30 .   What day were you looking to travel and from where ?
inform((_:search,day,'saturday');(_:search,departure,'london liverpool street');(_:search,type,'Train'))
user
I 'd be leaving from London Liverpool Street on Saturday .
inform((_:result,arrive_by,'19:39');(_:result,departure,'Liverpool Street');(_:result,destination,'Cambridge');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
Yes I have a train leaving from Liverpool Street that will arrive in Cambridge at 19:39 . Would you like me to book that for you ?
request((_:result,duration,?);(_:result,ticket,?);(_:result,type,'Train'))
user
How long is the travel time , and what is the price for that train please ?
inform((_:result,duration,'88 minutes');(_:result,ticket,'13.28 pounds');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking')) request((_:search,people,?);(_:search,type,'Train'))
system
Sure , the travel time is 88 minutes , and the price is 13.28 pounds . Would you like to book it , if so how many riders will there be ?
inform((_:search,name,'a and b guest house');(_:search,type,'Hotel'))
user
No that 's OK , I 'll book it later if I need to . Can you tell me anything about a lodging place named " A and B " something ?
inform((_:result,address,'124 tension road');(_:result,name,'a and b guesthouse');(_:result,pricerange,'moderate');(_:result,type,'Hotel')) thank()
system
Sure . It 's called a and b guesthouse , found on 124 tension road and is in the moderate price range .
inform((_:search,day,'saturday');(_:search,people,'1');(_:search,stay,'4');(_:search,type,'Hotel')) request((_:result,ref,?);(_:result,type,'Hotel'))
user
I 'd like to go ahead and book that for 1 person , 4 nights starting on Saturday night . I will need the reference number once it 's made .
reqmore() inform((_:booking,ref,'L1M02MWF');(_:booking,type,'Booking'))
system
You have been successfully booked and the reference number is L1M02MWF .   Can I help you with anything else ?
thank()
user
No , indeed . That will be all . Thank you .
system
You are welcome . Have a very nice day .
_:search arrive_by 19:30
_:search destination cambridge
_:search leave_at 19:30
_:search type Train
_:search arrive_by 19:30
_:search destination cambridge
_:search leave_at 19:30
_:result arrive_by 19:30
_:result count 300
_:result destination cambridge
_:result type Train
_:search day saturday
_:search departure london liverpool street
_:search type Train
_:search arrive_by 19:30
_:search destination cambridge
_:search leave_at 19:30
_:result count 300
_:search day saturday
_:search departure london liverpool street
_:search type Train
_:result arrive_by 19:39
_:result departure Liverpool Street
_:result destination Cambridge
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result duration ?
_:result ticket ?
_:search arrive_by 19:30
_:search destination cambridge
_:search leave_at 19:30
_:result count 300
_:search day saturday
_:search departure london liverpool street
_:result arrive_by 19:39
_:result departure Liverpool Street
_:result destination Cambridge
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result duration 88 minutes
_:result ticket 13.28 pounds
_:result type Train
_:search people ?
_:search name a and b guest house
_:search type Hotel
_:search arrive_by 19:30
_:search destination cambridge
_:search leave_at 19:30
_:result count 300
_:search departure london liverpool street
_:result arrive_by 19:39
_:result departure Liverpool Street
_:result destination Cambridge
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result duration 88 minutes
_:result ticket 13.28 pounds
_:search name a and b guest house
_:result address 124 tension road
_:result name a and b guesthouse
_:result pricerange moderate
_:result type Hotel
_:search day saturday
_:search people 1
_:search stay 4
_:search type Hotel
_:result ref ?
_:search arrive_by 19:30
_:search destination cambridge
_:search leave_at 19:30
_:result count 300
_:search departure london liverpool street
_:result arrive_by 19:39
_:result departure Liverpool Street
_:result destination Cambridge
_:system offered _:booking
_:booking category Train
_:result duration 88 minutes
_:result ticket 13.28 pounds
_:search name a and b guest house
_:result address 124 tension road
_:result name a and b guesthouse
_:result pricerange moderate
_:result type Hotel
_:search day saturday
_:search people 1
_:search stay 4
_:search type Hotel
_:result ref ?
_:system inquired _:user
_:booking ref L1M02MWF
_:booking type Booking