[example] [user] i would like to find a train. [system] where are you departing from and what is your destination? [user] i'm leaving washington to chicago on march 6th. [system] there are 5 trains. there is one leaving at 9:40 am for $109. [user] i would like to purchase one ticket. flexible ticket, and add travel insurance. [slots] trip_protection=b of possible values a) false b) true to=chicago journey_start_time=9:40 am date_of_journey=march 6th class=a of possible values a) flexible b) value c) business number_of_adults=d of possible values a) 2 b) 5 c) 3 d) 1 e) 4 from=washington [context] [user] could you look for a train for me?
State: [state] trip_protection=none to=none journey_start_time=none date_of_journey=none class=none number_of_adults=none from=none

[example] [user] i would like to find a train. [system] where are you departing from and what is your destination? [user] i'm leaving washington to chicago on march 6th. [system] there are 5 trains. there is one leaving at 9:40 am for $109. [user] i would like to purchase one ticket. flexible ticket, and add travel insurance. [slots] journey_start_time=9:40 am date_of_journey=march 6th from=washington trip_protection=b of possible values a) false b) true number_of_adults=d of possible values a) 5 b) 2 c) 4 d) 1 e) 3 class=b of possible values a) business b) flexible c) value to=chicago [context] [user] could you look for a train for me? [system] what metropolis are you headed to, and what metropolis will you leave from? what day would you like to depart? [user] i am searching for tickets for sfo on the 10th of march, since i'm headed to sacramento.
State: [state] journey_start_time=none date_of_journey=10th of march from=sfo trip_protection=none number_of_adults=none class=none to=sacramento

[example] [user] i would like to find a train. [system] where are you departing from and what is your destination? [user] i'm leaving washington to chicago on march 6th. [system] there are 5 trains. there is one leaving at 9:40 am for $109. [user] i would like to purchase one ticket. flexible ticket, and add travel insurance. [slots] number_of_adults=b of possible values a) 2 b) 1 c) 3 d) 4 e) 5 journey_start_time=9:40 am from=washington to=chicago trip_protection=a of possible values a) true b) false class=b of possible values a) business b) flexible c) value date_of_journey=march 6th [context] [user] could you look for a train for me? [system] what metropolis are you headed to, and what metropolis will you leave from? what day would you like to depart? [user] i am searching for tickets for sfo on the 10th of march, since i'm headed to sacramento. [system] there's 9 trains that fit your criteria that depart at 6:10 am and costs $45. [user] do you have some other alternative trains?
State: [state] number_of_adults=none journey_start_time=none from=sfo to=sacramento trip_protection=none class=none date_of_journey=10th of march

[example] [user] i would like to find a train. [system] where are you departing from and what is your destination? [user] i'm leaving washington to chicago on march 6th. [system] there are 5 trains. there is one leaving at 9:40 am for $109. [user] i would like to purchase one ticket. flexible ticket, and add travel insurance. [slots] journey_start_time=9:40 am from=washington trip_protection=b of possible values a) false b) true class=a of possible values a) flexible b) business c) value number_of_adults=e of possible values a) 5 b) 3 c) 4 d) 2 e) 1 date_of_journey=march 6th to=chicago [context] [user] could you look for a train for me? [system] what metropolis are you headed to, and what metropolis will you leave from? what day would you like to depart? [user] i am searching for tickets for sfo on the 10th of march, since i'm headed to sacramento. [system] there's 9 trains that fit your criteria that depart at 6:10 am and costs $45. [user] do you have some other alternative trains? [system] there is one that leaves at 6:20 am and costs $50. [user] what station does it go to?
State: [state] journey_start_time=none from=sfo trip_protection=none class=none number_of_adults=none date_of_journey=10th of march to=sacramento

[example] [user] i would like to find a train. [system] where are you departing from and what is your destination? [user] i'm leaving washington to chicago on march 6th. [system] there are 5 trains. there is one leaving at 9:40 am for $109. [user] i would like to purchase one ticket. flexible ticket, and add travel insurance. [slots] journey_start_time=9:40 am date_of_journey=march 6th number_of_adults=b of possible values a) 5 b) 1 c) 3 d) 4 e) 2 from=washington class=b of possible values a) business b) flexible c) value to=chicago trip_protection=b of possible values a) false b) true [context] [user] could you look for a train for me? [system] what metropolis are you headed to, and what metropolis will you leave from? what day would you like to depart? [user] i am searching for tickets for sfo on the 10th of march, since i'm headed to sacramento. [system] there's 9 trains that fit your criteria that depart at 6:10 am and costs $45. [user] do you have some other alternative trains? [system] there is one that leaves at 6:20 am and costs $50. [user] what station does it go to? [system] it will head to the sacramento valley station. [user] that's perfect for me.
State: [state] journey_start_time=6:20 am date_of_journey=10th of march number_of_adults=none from=sfo class=none to=sacramento trip_protection=none

[example] [user] i would like to find a train. [system] where are you departing from and what is your destination? [user] i'm leaving washington to chicago on march 6th. [system] there are 5 trains. there is one leaving at 9:40 am for $109. [user] i would like to purchase one ticket. flexible ticket, and add travel insurance. [slots] from=washington date_of_journey=march 6th class=b of possible values a) business b) flexible c) value journey_start_time=9:40 am number_of_adults=a of possible values a) 1 b) 3 c) 2 d) 5 e) 4 trip_protection=a of possible values a) true b) false to=chicago [context] [user] could you look for a train for me? [system] what metropolis are you headed to, and what metropolis will you leave from? what day would you like to depart? [user] i am searching for tickets for sfo on the 10th of march, since i'm headed to sacramento. [system] there's 9 trains that fit your criteria that depart at 6:10 am and costs $45. [user] do you have some other alternative trains? [system] there is one that leaves at 6:20 am and costs $50. [user] what station does it go to? [system] it will head to the sacramento valley station. [user] that's perfect for me. [system] would you like for me to reserve tickets? [user] nope, i do not plan on reserving tickets now. that's all.
State: [state] from=sfo date_of_journey=10th of march class=none journey_start_time=6:20 am number_of_adults=none trip_protection=none to=sacramento