[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] seating_class=a of possible values a) economy b) first class c) business d) premium economy airlines=h of possible values a) southwest airlines b) air canada c) united airlines d) british airways e) alaska airlines f) air france g) american airlines h) delta airlines destination=sf departure_date=9th of this month return_date=the 13th origin=seattle passengers=d of possible values a) 4 b) 2 c) 3 d) 1 [context] [user] i'm going on a trip. can you book me a flight from portland leaving on the 1st?
State: [state] seating_class=none airlines=none destination=none departure_date=the 1st return_date=none origin=portland passengers=none

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] origin=seattle return_date=the 13th departure_date=9th of this month passengers=a of possible values a) 1 b) 2 c) 4 d) 3 destination=sf airlines=g of possible values a) british airways b) air canada c) american airlines d) southwest airlines e) air france f) united airlines g) delta airlines h) alaska airlines seating_class=b of possible values a) first class b) economy c) business d) premium economy [context] [user] i'm going on a trip. can you book me a flight from portland leaving on the 1st? [system] sure, what day would your return flight be? [user] i'd be flying back the 4th of this month.
State: [state] origin=portland return_date=4th of this month departure_date=the 1st passengers=none destination=none airlines=none seating_class=none

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] seating_class=a of possible values a) economy b) business c) first class d) premium economy origin=seattle airlines=e of possible values a) southwest airlines b) american airlines c) alaska airlines d) united airlines e) delta airlines f) british airways g) air canada h) air france passengers=b of possible values a) 2 b) 1 c) 4 d) 3 destination=sf departure_date=9th of this month return_date=the 13th [context] [user] i'm going on a trip. can you book me a flight from portland leaving on the 1st? [system] sure, what day would your return flight be? [user] i'd be flying back the 4th of this month. [system] where are you going? [user] i'll be flying to lax.
State: [state] seating_class=none origin=portland airlines=none passengers=none destination=lax departure_date=the 1st return_date=4th of this month

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] destination=sf airlines=g of possible values a) alaska airlines b) united airlines c) air france d) british airways e) air canada f) american airlines g) delta airlines h) southwest airlines seating_class=d of possible values a) first class b) business c) premium economy d) economy departure_date=9th of this month return_date=the 13th passengers=c of possible values a) 3 b) 4 c) 1 d) 2 origin=seattle [context] [user] i'm going on a trip. can you book me a flight from portland leaving on the 1st? [system] sure, what day would your return flight be? [user] i'd be flying back the 4th of this month. [system] where are you going? [user] i'll be flying to lax. [system] ok, i found 5 flight options. there's one with alaska airlines for $165. it would be at 5:40 pm on the way there, and 5:15 am on the way back. [user] what else is there? i prefer delta airlines.
State: [state] destination=lax airlines=g seating_class=none departure_date=the 1st return_date=4th of this month passengers=none origin=portland

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] return_date=the 13th seating_class=d of possible values a) premium economy b) first class c) business d) economy origin=seattle passengers=d of possible values a) 3 b) 2 c) 4 d) 1 departure_date=9th of this month destination=sf airlines=c of possible values a) united airlines b) southwest airlines c) delta airlines d) air canada e) alaska airlines f) british airways g) american airlines h) air france [context] [user] i'm going on a trip. can you book me a flight from portland leaving on the 1st? [system] sure, what day would your return flight be? [user] i'd be flying back the 4th of this month. [system] where are you going? [user] i'll be flying to lax. [system] ok, i found 5 flight options. there's one with alaska airlines for $165. it would be at 5:40 pm on the way there, and 5:15 am on the way back. [user] what else is there? i prefer delta airlines. [system] yes, there is a flight with delta airlines for $214. it would be at 9:35 am on the way there and 6:50 am on the way back. [user] what else is there?
State: [state] return_date=4th of this month seating_class=none origin=portland passengers=none departure_date=the 1st destination=lax airlines=c

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] seating_class=b of possible values a) premium economy b) economy c) business d) first class departure_date=9th of this month airlines=h of possible values a) united airlines b) alaska airlines c) air france d) british airways e) southwest airlines f) air canada g) american airlines h) delta airlines passengers=a of possible values a) 1 b) 3 c) 2 d) 4 return_date=the 13th origin=seattle destination=sf [context] [user] i'm going on a trip. can you book me a flight from portland leaving on the 1st? [system] sure, what day would your return flight be? [user] i'd be flying back the 4th of this month. [system] where are you going? [user] i'll be flying to lax. [system] ok, i found 5 flight options. there's one with alaska airlines for $165. it would be at 5:40 pm on the way there, and 5:15 am on the way back. [user] what else is there? i prefer delta airlines. [system] yes, there is a flight with delta airlines for $214. it would be at 9:35 am on the way there and 6:50 am on the way back. [user] what else is there? [system] sorry, they don't have anything else. what else can i help you with? [user] could you try seeing what united airlines has?
State: [state] seating_class=none departure_date=the 1st airlines=a passengers=none return_date=4th of this month origin=portland destination=lax

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] origin=seattle destination=sf airlines=c of possible values a) air france b) air canada c) delta airlines d) united airlines e) american airlines f) alaska airlines g) british airways h) southwest airlines return_date=the 13th passengers=b of possible values a) 3 b) 1 c) 4 d) 2 seating_class=b of possible values a) business b) economy c) premium economy d) first class departure_date=9th of this month [context] [user] i'm going on a trip. can you book me a flight from portland leaving on the 1st? [system] sure, what day would your return flight be? [user] i'd be flying back the 4th of this month. [system] where are you going? [user] i'll be flying to lax. [system] ok, i found 5 flight options. there's one with alaska airlines for $165. it would be at 5:40 pm on the way there, and 5:15 am on the way back. [user] what else is there? i prefer delta airlines. [system] yes, there is a flight with delta airlines for $214. it would be at 9:35 am on the way there and 6:50 am on the way back. [user] what else is there? [system] sorry, they don't have anything else. what else can i help you with? [user] could you try seeing what united airlines has? [system] sure. i found a flight with united airlines for $171. it would be at 12:05 pm on the way there, and 8:55 am on the way back. [user] ok, that's fine. thanks.
State: [state] origin=portland destination=lax airlines=d return_date=4th of this month passengers=none seating_class=none departure_date=the 1st