[example] [user] i would like book a cab ride to 659 merchant street. [system] is there a specific type of ride you would prefer? you can ride pool, luxury, or there are other options. [user] i would like to have a regular ride. [system] how many are in your group? [user] me and my wife, so two. [slots] number_of_seats=c of possible values a) 1 b) 4 c) 2 d) 3 destination=659 merchant street ride_type=b of possible values a) luxury b) regular c) pool [context] [user] i need a cab to 353 columbus avenue.
State: [state] number_of_seats=none destination=353 columbus avenue ride_type=none

[example] [user] i would like book a cab ride to 659 merchant street. [system] is there a specific type of ride you would prefer? you can ride pool, luxury, or there are other options. [user] i would like to have a regular ride. [system] how many are in your group? [user] me and my wife, so two. [slots] number_of_seats=a of possible values a) 2 b) 3 c) 1 d) 4 destination=659 merchant street ride_type=c of possible values a) pool b) luxury c) regular [context] [user] i need a cab to 353 columbus avenue. [system] do you want a regular or luxury vehicle, and how many seat do you need? [user] i need a regular ride for a group of three.
State: [state] number_of_seats=b destination=353 columbus avenue ride_type=c

[example] [user] i would like book a cab ride to 659 merchant street. [system] is there a specific type of ride you would prefer? you can ride pool, luxury, or there are other options. [user] i would like to have a regular ride. [system] how many are in your group? [user] me and my wife, so two. [slots] destination=659 merchant street number_of_seats=a of possible values a) 2 b) 3 c) 1 d) 4 ride_type=b of possible values a) pool b) regular c) luxury [context] [user] i need a cab to 353 columbus avenue. [system] do you want a regular or luxury vehicle, and how many seat do you need? [user] i need a regular ride for a group of three. [system] just to make sure, you want a 3 set regular ride to 353 columbus avenue. [user] sounds good. what's the cab price, and how long until it gets here?
State: [state] destination=353 columbus avenue number_of_seats=b ride_type=b

[example] [user] i would like book a cab ride to 659 merchant street. [system] is there a specific type of ride you would prefer? you can ride pool, luxury, or there are other options. [user] i would like to have a regular ride. [system] how many are in your group? [user] me and my wife, so two. [slots] destination=659 merchant street ride_type=a of possible values a) regular b) pool c) luxury number_of_seats=c of possible values a) 1 b) 3 c) 2 d) 4 [context] [user] i need a cab to 353 columbus avenue. [system] do you want a regular or luxury vehicle, and how many seat do you need? [user] i need a regular ride for a group of three. [system] just to make sure, you want a 3 set regular ride to 353 columbus avenue. [user] sounds good. what's the cab price, and how long until it gets here? [system] your $40.88 cab's booked and on the way with an eta of 4 minutes. [user] thanks a bunch for all the help.
State: [state] destination=353 columbus avenue ride_type=a number_of_seats=b

[example] [user] i would like book a cab ride to 659 merchant street. [system] is there a specific type of ride you would prefer? you can ride pool, luxury, or there are other options. [user] i would like to have a regular ride. [system] how many are in your group? [user] me and my wife, so two. [slots] destination=659 merchant street number_of_seats=a of possible values a) 2 b) 1 c) 4 d) 3 ride_type=b of possible values a) pool b) regular c) luxury [context] [user] i need a cab to 353 columbus avenue. [system] do you want a regular or luxury vehicle, and how many seat do you need? [user] i need a regular ride for a group of three. [system] just to make sure, you want a 3 set regular ride to 353 columbus avenue. [user] sounds good. what's the cab price, and how long until it gets here? [system] your $40.88 cab's booked and on the way with an eta of 4 minutes. [user] thanks a bunch for all the help. [system] is there something else i can help you out with? [user] nope, that'll do it, thanks.
State: [state] destination=353 columbus avenue number_of_seats=d ride_type=b