[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=a of possible values a) 1 b) 2 c) 5 d) 4 e) 3 to=chicago trip_protection=a of possible values a) true b) false date_of_journey=march 6th journey_start_time=9:40 am class=c of possible values a) value b) business c) flexible from=washington [context] [user] hey, can you find get a ticket for 2 seats on a train?
State: [state] number_of_adults=b to=none trip_protection=none date_of_journey=none journey_start_time=none class=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 number_of_adults=b of possible values a) 5 b) 1 c) 4 d) 2 e) 3 date_of_journey=march 6th class=c of possible values a) business b) value c) flexible from=washington trip_protection=a of possible values a) true b) false to=chicago [context] [user] hey, can you find get a ticket for 2 seats on a train? [system] sure. which locations would you like the train to depart from and arrive at, and when would you like to travel? [user] i'm going to seattle from vancouver on the 7th.
State: [state] journey_start_time=none number_of_adults=d date_of_journey=the 7th class=none from=vancouver trip_protection=none to=seattle

[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) business b) flexible c) value date_of_journey=march 6th from=washington number_of_adults=b of possible values a) 2 b) 1 c) 4 d) 5 e) 3 journey_start_time=9:40 am to=chicago trip_protection=b of possible values a) false b) true [context] [user] hey, can you find get a ticket for 2 seats on a train? [system] sure. which locations would you like the train to depart from and arrive at, and when would you like to travel? [user] i'm going to seattle from vancouver on the 7th. [system] i've found 9 trains that meet your criteria. how about one that departs at 6:20 am and costs $101 in total? [user] what else is available.
State: [state] class=none date_of_journey=the 7th from=vancouver number_of_adults=a journey_start_time=none to=seattle 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] trip_protection=a of possible values a) true b) false number_of_adults=b of possible values a) 4 b) 1 c) 3 d) 5 e) 2 journey_start_time=9:40 am from=washington date_of_journey=march 6th to=chicago class=a of possible values a) flexible b) value c) business [context] [user] hey, can you find get a ticket for 2 seats on a train? [system] sure. which locations would you like the train to depart from and arrive at, and when would you like to travel? [user] i'm going to seattle from vancouver on the 7th. [system] i've found 9 trains that meet your criteria. how about one that departs at 6:20 am and costs $101 in total? [user] what else is available. [system] there is also a train departing at 6:40 am that will cost $106 in total. [user] that sounds better to me. can you book the tickets for me?
State: [state] trip_protection=none number_of_adults=e journey_start_time=6:40 am from=vancouver date_of_journey=the 7th to=seattle 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] journey_start_time=9:40 am trip_protection=a of possible values a) true b) false to=chicago from=washington date_of_journey=march 6th class=b of possible values a) business b) flexible c) value number_of_adults=a of possible values a) 1 b) 5 c) 2 d) 4 e) 3 [context] [user] hey, can you find get a ticket for 2 seats on a train? [system] sure. which locations would you like the train to depart from and arrive at, and when would you like to travel? [user] i'm going to seattle from vancouver on the 7th. [system] i've found 9 trains that meet your criteria. how about one that departs at 6:20 am and costs $101 in total? [user] what else is available. [system] there is also a train departing at 6:40 am that will cost $106 in total. [user] that sounds better to me. can you book the tickets for me? [system] certainly. would you like travel insurance? [user] yes i would. also i would like the value tickets.
State: [state] journey_start_time=6:40 am trip_protection=a to=seattle from=vancouver date_of_journey=the 7th class=c number_of_adults=c

[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=d of possible values a) 5 b) 4 c) 3 d) 1 e) 2 date_of_journey=march 6th journey_start_time=9:40 am to=chicago from=washington class=c of possible values a) business b) value c) flexible trip_protection=b of possible values a) false b) true [context] [user] hey, can you find get a ticket for 2 seats on a train? [system] sure. which locations would you like the train to depart from and arrive at, and when would you like to travel? [user] i'm going to seattle from vancouver on the 7th. [system] i've found 9 trains that meet your criteria. how about one that departs at 6:20 am and costs $101 in total? [user] what else is available. [system] there is also a train departing at 6:40 am that will cost $106 in total. [user] that sounds better to me. can you book the tickets for me? [system] certainly. would you like travel insurance? [user] yes i would. also i would like the value tickets. [system] you would like 2 value tickets for a train from vancouver to seattle on march 7th at 6:40 am. is that correct? [user] no, i changed my mind. make it a fully refundable ticket.
State: [state] number_of_adults=e date_of_journey=march 7th journey_start_time=6:40 am to=seattle from=vancouver class=c trip_protection=b

[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=e of possible values a) 2 b) 5 c) 4 d) 3 e) 1 to=chicago trip_protection=b of possible values a) false b) true journey_start_time=9:40 am class=c of possible values a) value b) business c) flexible from=washington date_of_journey=march 6th [context] [user] hey, can you find get a ticket for 2 seats on a train? [system] sure. which locations would you like the train to depart from and arrive at, and when would you like to travel? [user] i'm going to seattle from vancouver on the 7th. [system] i've found 9 trains that meet your criteria. how about one that departs at 6:20 am and costs $101 in total? [user] what else is available. [system] there is also a train departing at 6:40 am that will cost $106 in total. [user] that sounds better to me. can you book the tickets for me? [system] certainly. would you like travel insurance? [user] yes i would. also i would like the value tickets. [system] you would like 2 value tickets for a train from vancouver to seattle on march 7th at 6:40 am. is that correct? [user] no, i changed my mind. make it a fully refundable ticket. [system] you would like a flexible ticket on the train from vancouver. is that correct? [user] yes that is correct. please buy the tickets.
State: [state] number_of_adults=a to=seattle trip_protection=b journey_start_time=6:40 am class=c from=vancouver date_of_journey=march 7th

[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 class=b of possible values a) value b) flexible c) business journey_start_time=9:40 am from=washington number_of_adults=d of possible values a) 4 b) 2 c) 3 d) 1 e) 5 [context] [user] hey, can you find get a ticket for 2 seats on a train? [system] sure. which locations would you like the train to depart from and arrive at, and when would you like to travel? [user] i'm going to seattle from vancouver on the 7th. [system] i've found 9 trains that meet your criteria. how about one that departs at 6:20 am and costs $101 in total? [user] what else is available. [system] there is also a train departing at 6:40 am that will cost $106 in total. [user] that sounds better to me. can you book the tickets for me? [system] certainly. would you like travel insurance? [user] yes i would. also i would like the value tickets. [system] you would like 2 value tickets for a train from vancouver to seattle on march 7th at 6:40 am. is that correct? [user] no, i changed my mind. make it a fully refundable ticket. [system] you would like a flexible ticket on the train from vancouver. is that correct? [user] yes that is correct. please buy the tickets. [system] the tickets have successfully been purchased. [user] great! thank you.
State: [state] to=seattle trip_protection=a date_of_journey=march 7th class=b journey_start_time=6:40 am from=vancouver number_of_adults=b

[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=d of possible values a) 4 b) 5 c) 2 d) 1 e) 3 from=washington class=a of possible values a) flexible b) business c) value to=chicago date_of_journey=march 6th journey_start_time=9:40 am trip_protection=a of possible values a) true b) false [context] [user] hey, can you find get a ticket for 2 seats on a train? [system] sure. which locations would you like the train to depart from and arrive at, and when would you like to travel? [user] i'm going to seattle from vancouver on the 7th. [system] i've found 9 trains that meet your criteria. how about one that departs at 6:20 am and costs $101 in total? [user] what else is available. [system] there is also a train departing at 6:40 am that will cost $106 in total. [user] that sounds better to me. can you book the tickets for me? [system] certainly. would you like travel insurance? [user] yes i would. also i would like the value tickets. [system] you would like 2 value tickets for a train from vancouver to seattle on march 7th at 6:40 am. is that correct? [user] no, i changed my mind. make it a fully refundable ticket. [system] you would like a flexible ticket on the train from vancouver. is that correct? [user] yes that is correct. please buy the tickets. [system] the tickets have successfully been purchased. [user] great! thank you. [system] you're welcome. will that be all? [user] yes that is all, i'll let you know if i need anything else.
State: [state] number_of_adults=c from=vancouver class=a to=seattle date_of_journey=march 7th journey_start_time=6:40 am trip_protection=a