[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 from=washington class=a of possible values a) flexible b) business c) value date_of_journey=march 6th number_of_adults=c of possible values a) 5 b) 2 c) 1 d) 4 e) 3 journey_start_time=9:40 am [context] [user] i am looking for a train.
State: [state] trip_protection=none to=none from=none class=none date_of_journey=none number_of_adults=none journey_start_time=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] trip_protection=b of possible values a) false b) true journey_start_time=9:40 am from=washington class=c of possible values a) value b) business c) flexible number_of_adults=c of possible values a) 2 b) 4 c) 1 d) 5 e) 3 to=chicago date_of_journey=march 6th [context] [user] i am looking for a train. [system] what are your points of destination and terminus? [user] i'm just going from anaheim, ca to san diego.
State: [state] trip_protection=none journey_start_time=none from=anaheim, ca class=none number_of_adults=none to=san diego date_of_journey=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] to=chicago journey_start_time=9:40 am date_of_journey=march 6th class=c of possible values a) business b) value c) flexible number_of_adults=b of possible values a) 4 b) 1 c) 2 d) 3 e) 5 from=washington trip_protection=b of possible values a) false b) true [context] [user] i am looking for a train. [system] what are your points of destination and terminus? [user] i'm just going from anaheim, ca to san diego. [system] whey do you want to make this trip? [user] on the 13th of this month.
State: [state] to=san diego journey_start_time=none date_of_journey=13th of this month class=none number_of_adults=none from=anaheim, ca 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] to=chicago trip_protection=a of possible values a) true b) false date_of_journey=march 6th number_of_adults=a of possible values a) 1 b) 5 c) 4 d) 3 e) 2 class=a of possible values a) flexible b) value c) business journey_start_time=9:40 am from=washington [context] [user] i am looking for a train. [system] what are your points of destination and terminus? [user] i'm just going from anaheim, ca to san diego. [system] whey do you want to make this trip? [user] on the 13th of this month. [system] well, if you depart at 6:30 am it only costs $52. [user] what stations are involved in this trip?
State: [state] to=san diego trip_protection=none date_of_journey=13th of this month number_of_adults=none class=none journey_start_time=none from=anaheim, ca

[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] class=c of possible values a) value b) business c) flexible journey_start_time=9:40 am trip_protection=b of possible values a) false b) true date_of_journey=march 6th to=chicago number_of_adults=e of possible values a) 2 b) 5 c) 3 d) 4 e) 1 from=washington [context] [user] i am looking for a train. [system] what are your points of destination and terminus? [user] i'm just going from anaheim, ca to san diego. [system] whey do you want to make this trip? [user] on the 13th of this month. [system] well, if you depart at 6:30 am it only costs $52. [user] what stations are involved in this trip? [system] you'll leave from anaheim intermodal center and go to santa fe depot. [user] fine, you've really helped me out.
State: [state] class=none journey_start_time=6:30 am trip_protection=none date_of_journey=13th of this month to=san diego number_of_adults=none from=anaheim, ca