inform((_:search,destination,'stevenage train station');(_:search,type,'Taxi'))
user
I am looking for a taxi to the Stevenage train station .
request((_:search,arrive_by,?);(_:search,leave_at,?);(_:search,type,'Taxi'))
system
Sure thing , when would you like to arrive or leave by ?
inform((_:search,arrive_by,'23:30');(_:search,type,'Taxi'))
user
It 's important that I arrive no later than 23:30 .
request((_:search,departure,?);(_:search,type,'Taxi'))
system
Where will you be departing from ?
inform((_:search,departure,'frankie and bennys');(_:search,type,'Taxi'))
user
I will be departing from frankie and bennys .
inform((_:result,car,'yellow ford');(_:result,type,'Taxi'))
system
I have confirmed you booking for a taxi , a yellow ford will be picking you up .
thank()
user
Thanks ! What is the contact number ?
inform((_:result,phone,'07629492399');(_:result,type,'Taxi')) reqmore()
system
The number is 07629492399 
 Would you like help with anything else today ?
thank()
user
No , that 's all I need . Thank you for your help .
system
Have a safe trip !
_:search destination stevenage train station
_:search type Taxi
_:search destination stevenage train station
_:search leave_at ?
_:search arrive_by 23:30
_:search type Taxi
_:search destination stevenage train station
_:search leave_at ?
_:search arrive_by 23:30
_:search departure frankie and bennys
_:search type Taxi
_:search destination stevenage train station
_:search leave_at ?
_:search arrive_by 23:30
_:search departure frankie and bennys
_:search type Taxi
_:result car yellow ford
_:result type Taxi
_:search destination stevenage train station
_:search leave_at ?
_:search arrive_by 23:30
_:search departure frankie and bennys
_:search type Taxi
_:result car yellow ford
_:result phone 07629492399
_:result type Taxi
_:system inquired _:user