[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 passengers=a of possible values a) 1 b) 2 c) 3 d) 4 airlines=f of possible values a) alaska airlines b) british airways c) air canada d) united airlines e) southwest airlines f) delta airlines g) american airlines h) air france destination=sf departure_date=9th of this month origin=seattle seating_class=d of possible values a) first class b) premium economy c) business d) economy [context] [user] i am looking for a flight. look for flights from seattle that return on the 13th.
State: [state] return_date=the 13th passengers=none airlines=none destination=none departure_date=none origin=seattle 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] passengers=d of possible values a) 3 b) 4 c) 2 d) 1 seating_class=d of possible values a) business b) premium economy c) first class d) economy airlines=b of possible values a) united airlines b) delta airlines c) british airways d) american airlines e) air canada f) air france g) southwest airlines h) alaska airlines return_date=the 13th departure_date=9th of this month origin=seattle destination=sf [context] [user] i am looking for a flight. look for flights 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.
State: [state] passengers=none seating_class=none airlines=none return_date=the 13th departure_date=9th of this month origin=seattle destination=sf

[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 passengers=a of possible values a) 1 b) 3 c) 4 d) 2 origin=seattle return_date=the 13th airlines=h of possible values a) american airlines b) southwest airlines c) united airlines d) air france e) air canada f) alaska airlines g) british airways h) delta airlines departure_date=9th of this month seating_class=d of possible values a) business b) premium economy c) first class d) economy [context] [user] i am looking for a flight. look for flights 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. [system] would you like to fly with alaska airlines? the flight takes off at 12 pm. it returns at 2:55 pm. the ticket costs $127. [user] is there anything else? i want one economy class ticket.
State: [state] destination=sf passengers=a origin=seattle return_date=the 13th airlines=none departure_date=9th of this month seating_class=d

[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) business b) economy c) first class d) premium economy passengers=d of possible values a) 2 b) 4 c) 3 d) 1 airlines=a of possible values a) delta airlines b) british airways c) southwest airlines d) air canada e) united airlines f) air france g) american airlines h) alaska airlines return_date=the 13th origin=seattle departure_date=9th of this month destination=sf [context] [user] i am looking for a flight. look for flights 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. [system] would you like to fly with alaska airlines? the flight takes off at 12 pm. it returns at 2:55 pm. the ticket costs $127. [user] is there anything else? i 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.
State: [state] seating_class=b passengers=d airlines=a return_date=the 13th origin=seattle departure_date=9th of this month destination=sf

[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] departure_date=9th of this month passengers=d of possible values a) 4 b) 3 c) 2 d) 1 seating_class=d of possible values a) first class b) business c) premium economy d) economy destination=sf return_date=the 13th origin=seattle airlines=d of possible values a) united airlines b) air france c) american airlines d) delta airlines e) british airways f) southwest airlines g) air canada h) alaska airlines [context] [user] i am looking for a flight. look for flights 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. [system] would you like to fly with alaska airlines? the flight takes off at 12 pm. it returns at 2:55 pm. the ticket costs $127. [user] is there anything else? i 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. [system] can i help you with something else? [user] no. thanks for your help.
State: [state] departure_date=9th of this month passengers=d seating_class=d destination=sf return_date=the 13th origin=seattle airlines=d