inform((_:search,departure,'good luck');(_:search,destination,'alpha - milton guest house');(_:search,type,'Taxi'))
user
I need a taxi to pick me up at The Good Luck Chinese Food Takeaway to take me to Alpha - Milton Guest House .
request((_:search,arrive_by,?);(_:search,leave_at,?);(_:search,type,'Taxi'))
system
Of course ; can you tell me what time you need to leave or arrive by ?
inform((_:search,arrive_by,'18:15');(_:search,type,'Taxi'))
user
I will need to be there by 18:15 please .
system
Booking completed ! 
 Booked car type 	 : 	 yellow volvo 
 Contact number 	 : 	 07057945339
_:search departure good luck
_:search destination alpha - milton guest house
_:search type Taxi
_:search departure good luck
_:search destination alpha - milton guest house
_:search leave_at ?
_:search arrive_by 18:15
_:search type Taxi