[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=b of possible values a) luxury b) regular c) pool number_of_seats=c of possible values a) 3 b) 4 c) 2 d) 1 [context] [user] i need a ride. can you call a cab?
State: [state] destination=none ride_type=none number_of_seats=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=d of possible values a) 3 b) 4 c) 1 d) 2 destination=659 merchant street ride_type=b of possible values a) pool b) regular c) luxury [context] [user] i need a ride. can you call a cab? [system] sure. where do you want to go? would you rather ride pool or regular and how many are traveling? [user] this is for a group of 2 going to 2125 coast hwy. a pool ride would be fine.
State: [state] number_of_seats=d destination=2125 coast hwy ride_type=a

[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=d of possible values a) 3 b) 1 c) 4 d) 2 ride_type=c of possible values a) pool b) luxury c) regular destination=659 merchant street [context] [user] i need a ride. can you call a cab? [system] sure. where do you want to go? would you rather ride pool or regular and how many are traveling? [user] this is for a group of 2 going to 2125 coast hwy. a pool ride would be fine. [system] okay. so, you're wanting a pool ride for 2 going to 2125 coast hwy. do you want me to order it? [user] yes, that would be great.
State: [state] number_of_seats=d ride_type=a destination=2125 coast hwy

[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=a of possible values a) regular b) luxury c) pool [context] [user] i need a ride. can you call a cab? [system] sure. where do you want to go? would you rather ride pool or regular and how many are traveling? [user] this is for a group of 2 going to 2125 coast hwy. a pool ride would be fine. [system] okay. so, you're wanting a pool ride for 2 going to 2125 coast hwy. do you want me to order it? [user] yes, that would be great. [system] it's booked. your cab is on the way. [user] what will that cost me?
State: [state] destination=2125 coast hwy number_of_seats=a 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] ride_type=a of possible values a) regular b) pool c) luxury destination=659 merchant street number_of_seats=d of possible values a) 3 b) 4 c) 1 d) 2 [context] [user] i need a ride. can you call a cab? [system] sure. where do you want to go? would you rather ride pool or regular and how many are traveling? [user] this is for a group of 2 going to 2125 coast hwy. a pool ride would be fine. [system] okay. so, you're wanting a pool ride for 2 going to 2125 coast hwy. do you want me to order it? [user] yes, that would be great. [system] it's booked. your cab is on the way. [user] what will that cost me? [system] it will cost $15.68. [user] thank you. i don't need anything else.
State: [state] ride_type=b destination=2125 coast hwy number_of_seats=d