inform((_:search,departure,'lensfield hotel');(_:search,destination,'peking restaurant');(_:search,type,'Taxi'))
user
I 'd like to book a taxi , please . I need to get from the lensfield hotel to peking restaurant .
request((_:search,departure,?);(_:search,leave_at,?);(_:search,type,'Taxi'))
system
What time do you want to be picked up at the lensfield hotel ?
inform((_:search,arrive_by,'06:15');(_:search,type,'Taxi'))
user
I would like for the taxi to arrive by 06:15 .
system
Booking completed ! 
 Booked car type 	 : 	 red audi 
 Contact number 	 : 	 07547694043
_:search departure lensfield hotel
_:search destination peking restaurant
_:search type Taxi
_:search destination peking restaurant
_:search departure ?
_:search leave_at ?
_:search arrive_by 06:15
_:search type Taxi