[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=a of possible values a) flexible b) business c) value from=washington trip_protection=a of possible values a) true b) false number_of_adults=d of possible values a) 3 b) 4 c) 5 d) 1 e) 2 to=chicago journey_start_time=9:40 am date_of_journey=march 6th [context] [user] can you find a train for me. i want 1 ticket leaving from la.
State: [state] class=none from=la trip_protection=none number_of_adults=d to=none journey_start_time=none 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] trip_protection=b of possible values a) false b) true number_of_adults=d of possible values a) 3 b) 4 c) 2 d) 1 e) 5 date_of_journey=march 6th class=a of possible values a) flexible b) business c) value from=washington journey_start_time=9:40 am to=chicago [context] [user] can you find a train for me. i want 1 ticket leaving from la. [system] what is your destination and what is the day you want to travel? [user] i'm going to sfo and would like tickets that are for wednesday next week.
State: [state] trip_protection=none number_of_adults=d date_of_journey=wednesday next week class=none from=la journey_start_time=none to=sfo

[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 from=washington number_of_adults=c of possible values a) 2 b) 3 c) 1 d) 4 e) 5 date_of_journey=march 6th trip_protection=a of possible values a) true b) false class=b of possible values a) business b) flexible c) value [context] [user] can you find a train for me. i want 1 ticket leaving from la. [system] what is your destination and what is the day you want to travel? [user] i'm going to sfo and would like tickets that are for wednesday next week. [system] i have one leaving at 7:50 am. the total price is $83. [user] that sounds fine.
State: [state] to=sfo journey_start_time=7:50 am from=la number_of_adults=c date_of_journey=wednesday next week trip_protection=none class=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] class=b of possible values a) value b) flexible c) business trip_protection=a of possible values a) true b) false journey_start_time=9:40 am date_of_journey=march 6th from=washington to=chicago number_of_adults=e of possible values a) 3 b) 5 c) 2 d) 4 e) 1 [context] [user] can you find a train for me. i want 1 ticket leaving from la. [system] what is your destination and what is the day you want to travel? [user] i'm going to sfo and would like tickets that are for wednesday next week. [system] i have one leaving at 7:50 am. the total price is $83. [user] that sounds fine. [system] would you like me to book tickets? [user] no, i don't want to book tickets at present.
State: [state] class=none trip_protection=none journey_start_time=7:50 am date_of_journey=wednesday next week from=la to=sfo number_of_adults=e

[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] date_of_journey=march 6th journey_start_time=9:40 am trip_protection=a of possible values a) true b) false from=washington number_of_adults=e of possible values a) 4 b) 2 c) 5 d) 3 e) 1 class=a of possible values a) flexible b) value c) business to=chicago [context] [user] can you find a train for me. i want 1 ticket leaving from la. [system] what is your destination and what is the day you want to travel? [user] i'm going to sfo and would like tickets that are for wednesday next week. [system] i have one leaving at 7:50 am. the total price is $83. [user] that sounds fine. [system] would you like me to book tickets? [user] no, i don't want to book tickets at present. [system] is there anything else i can do for you? [user] no. that was very helpful, thank you.
State: [state] date_of_journey=wednesday next week journey_start_time=7:50 am trip_protection=none from=la number_of_adults=e class=none to=sfo