inform((_:search,day,'wednesday');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
I 'm going to cambridge and I need a train that leaves on wednesday .
request((_:search,arrive_by,?);(_:search,departure,?);(_:search,type,'Train')) inform((_:result,destination,'Cambridge');(_:result,type,'Train'))
system
Where will you be departing from and what time do you need to arrive in Cambridge ?
inform((_:search,departure,'standsted');(_:search,leave_at,'15:30');(_:search,type,'Train'))
user
I 'd like to leave from Standsted sometime after 15:30 .
inform((_:result,id,'TR1342');(_:result,leave_at,'16:24');(_:result,type,'Train'))
system
the TR1342 leaves at 16:24
inform((_:search,people,'7');(_:search,type,'Train'))
user
That will work , can you reserve 7 seats for us on that train please ?
inform((_:booking,category,'Train');(_:booking,ref,'DSE7LBCU');(_:booking,type,'Booking'))
system
I was able to book for you . The reference number is DSE7LBCU .
thank()
user
Thank you can you help me find a place to eat as well ?
request((_:search,food,?);(_:search,type,'Restaurant'))
system
What kind of food would you like ?
inform((_:search,category,'hotel');(_:search,stars,'2');(_:search,type,'Hotel'))
user
I 'm sorry I do n't need a restaurant , I need to find a hotel that has 2 stars .
inform((_:result,area,'north');(_:result,has_internet,'none');(_:result,has_parking,'none');(_:result,name,'Lovell Lodge');(_:result,pricerange,'moderately priced');(_:result,type,'Hotel'))
system
I would recommend Lovell Lodge on the north side . It is moderately priced and has internet and parking .
inform((_:search,day,'same day');(_:search,people,'7');(_:search,stay,'4');(_:search,type,'Hotel'))
user
That sounds great . Book it for me for   7 people for 4 nights starting from the same day .
inform((_:booking,ref,'SY83O0SO');(_:booking,type,'Booking'))
system
Booking was successful . 
 Reference number is : SY83O0SO .
thank()
user
That is all I need , thank you !
system
Have a wonderful stay .
_:search day wednesday
_:search destination cambridge
_:search type Train
_:search day wednesday
_:search destination cambridge
_:search arrive_by ?
_:result destination Cambridge
_:result type Train
_:search departure standsted
_:search leave_at 15:30
_:search type Train
_:search day wednesday
_:search destination cambridge
_:search arrive_by ?
_:result destination Cambridge
_:search departure standsted
_:search leave_at 15:30
_:result id TR1342
_:result leave_at 16:24
_:result type Train
_:search people 7
_:search type Train
_:search day wednesday
_:search destination cambridge
_:search arrive_by ?
_:result destination Cambridge
_:search departure standsted
_:search leave_at 15:30
_:result id TR1342
_:result leave_at 16:24
_:result type Train
_:search people 7
_:search type Train
_:booking category Train
_:booking ref DSE7LBCU
_:booking type Booking
_:search day wednesday
_:search destination cambridge
_:search arrive_by ?
_:result destination Cambridge
_:search departure standsted
_:search leave_at 15:30
_:result id TR1342
_:result leave_at 16:24
_:result type Train
_:search people 7
_:booking category Train
_:booking ref DSE7LBCU
_:booking type Booking
_:search food ?
_:search category hotel
_:search stars 2
_:search type Hotel
_:search destination cambridge
_:search arrive_by ?
_:result destination Cambridge
_:search departure standsted
_:search leave_at 15:30
_:result id TR1342
_:result leave_at 16:24
_:booking category Train
_:booking ref DSE7LBCU
_:booking type Booking
_:search food ?
_:search category hotel
_:search stars 2
_:result area north
_:result has_internet none
_:result has_parking none
_:result name Lovell Lodge
_:result pricerange moderately priced
_:result type Hotel
_:search day same day
_:search people 7
_:search stay 4
_:search type Hotel
_:search destination cambridge
_:search arrive_by ?
_:result destination Cambridge
_:search departure standsted
_:search leave_at 15:30
_:result id TR1342
_:result leave_at 16:24
_:booking category Train
_:search food ?
_:search category hotel
_:search stars 2
_:result area north
_:result has_internet none
_:result has_parking none
_:result name Lovell Lodge
_:result pricerange moderately priced
_:result type Hotel
_:search day same day
_:search people 7
_:search stay 4
_:search type Hotel
_:booking ref SY83O0SO
_:booking type Booking