[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 number_of_adults=d of possible values a) 3 b) 5 c) 4 d) 1 e) 2 to=chicago journey_start_time=9:40 am date_of_journey=march 6th trip_protection=b of possible values a) false b) true from=washington [context] [user] i'm hoping to find a train for a business trip i'll be making.
State: [state] class=none number_of_adults=none to=none journey_start_time=none date_of_journey=none trip_protection=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] to=chicago from=washington trip_protection=a of possible values a) true b) false class=c of possible values a) value b) business c) flexible date_of_journey=march 6th number_of_adults=e of possible values a) 4 b) 5 c) 3 d) 2 e) 1 journey_start_time=9:40 am [context] [user] i'm hoping to find a train for a business trip i'll be making. [system] i can help with that! which city will you be departing from and which city will you be traveling to. also, i will need your travel dates. [user] ok, i will need 1 seat from sfo to sd for next thursday.
State: [state] to=sd from=sfo trip_protection=none class=none date_of_journey=next thursday number_of_adults=e 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] to=chicago class=a of possible values a) flexible b) value c) business number_of_adults=a of possible values a) 1 b) 3 c) 4 d) 5 e) 2 journey_start_time=9:40 am from=washington date_of_journey=march 6th trip_protection=b of possible values a) false b) true [context] [user] i'm hoping to find a train for a business trip i'll be making. [system] i can help with that! which city will you be departing from and which city will you be traveling to. also, i will need your travel dates. [user] ok, i will need 1 seat from sfo to sd for next thursday. [system] sure, there are 6 options for you to choose from. one departs at 6 am. the price of that ticket is $89. [user] that one sounds good. i don't need to hear the other options. that's all i need help with today. thanks!
State: [state] to=sd class=none number_of_adults=a journey_start_time=6 am from=sfo date_of_journey=next thursday trip_protection=none