[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=c of possible values a) pool b) luxury c) regular number_of_seats=d of possible values a) 1 b) 3 c) 4 d) 2 destination=659 merchant street [context] [user] can you get me a cab for three people?
State: [state] ride_type=none number_of_seats=b destination=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=b of possible values a) 3 b) 2 c) 1 d) 4 destination=659 merchant street ride_type=c of possible values a) luxury b) pool c) regular [context] [user] can you get me a cab for three people? [system] what's your destination and do you have a ride you prefer? [user] i'm going to 2222 bancroft way, and i'd like it to be a pool ride.
State: [state] number_of_seats=a destination=2222 bancroft way 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] number_of_seats=b of possible values a) 1 b) 2 c) 4 d) 3 destination=659 merchant street ride_type=c of possible values a) pool b) luxury c) regular [context] [user] can you get me a cab for three people? [system] what's your destination and do you have a ride you prefer? [user] i'm going to 2222 bancroft way, and i'd like it to be a pool ride. [system] you'd like a pool ride for 3 to 2222 bancroft way, is that correct? [user] yeah, that would be great, what time will the cab get here?
State: [state] number_of_seats=d destination=2222 bancroft way 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] ride_type=a of possible values a) regular b) luxury c) pool destination=659 merchant street number_of_seats=a of possible values a) 2 b) 1 c) 3 d) 4 [context] [user] can you get me a cab for three people? [system] what's your destination and do you have a ride you prefer? [user] i'm going to 2222 bancroft way, and i'd like it to be a pool ride. [system] you'd like a pool ride for 3 to 2222 bancroft way, is that correct? [user] yeah, that would be great, what time will the cab get here? [system] i've booked the cab and it'll arrive in 4 minutes. [user] thanks so much. i don't need any more help.
State: [state] ride_type=c destination=2222 bancroft way number_of_seats=c