[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] airlines=a of possible values a) delta airlines b) british airways c) air france d) southwest airlines e) alaska airlines f) american airlines g) air canada h) united airlines origin=seattle passengers=a of possible values a) 1 b) 4 c) 2 d) 3 return_date=the 13th seating_class=d of possible values a) first class b) business c) premium economy d) economy destination=sf departure_date=9th of this month [context] [user] search a flight for me.
State: [state] airlines=none origin=none passengers=none return_date=none seating_class=none destination=none departure_date=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 airlines=h of possible values a) alaska airlines b) united airlines c) southwest airlines d) american airlines e) british airways f) air france g) air canada h) delta airlines destination=sf return_date=the 13th departure_date=9th of this month passengers=d of possible values a) 3 b) 2 c) 4 d) 1 seating_class=d of possible values a) premium economy b) business c) first class d) economy [context] [user] search a flight for me. [system] on which date are you starting and returning? [user] starting on 7th of this month and returning on the 13th.
State: [state] origin=none airlines=none destination=none return_date=the 13th departure_date=7th of this month passengers=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] origin=seattle departure_date=9th of this month return_date=the 13th destination=sf airlines=a of possible values a) delta airlines b) american airlines c) united airlines d) air france e) alaska airlines f) southwest airlines g) air canada h) british airways passengers=a of possible values a) 1 b) 4 c) 2 d) 3 seating_class=d of possible values a) first class b) business c) premium economy d) economy [context] [user] search a flight for me. [system] on which date are you starting and returning? [user] starting on 7th of this month and returning on the 13th. [system] from where do you depart? [user] from sf i'm departing. search me economy class tickets.
State: [state] origin=sf departure_date=7th of this month return_date=the 13th destination=none airlines=none passengers=none 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] origin=seattle airlines=f of possible values a) british airways b) united airlines c) american airlines d) alaska airlines e) air france f) delta airlines g) air canada h) southwest airlines return_date=the 13th destination=sf passengers=b of possible values a) 4 b) 1 c) 2 d) 3 departure_date=9th of this month seating_class=b of possible values a) premium economy b) economy c) business d) first class [context] [user] search a flight for me. [system] on which date are you starting and returning? [user] starting on 7th of this month and returning on the 13th. [system] from where do you depart? [user] from sf i'm departing. search me economy class tickets. [system] where is your destination? [user] i'm going to seattle, wa.
State: [state] origin=sf airlines=none return_date=the 13th destination=seattle, wa passengers=none departure_date=7th of this month seating_class=b

[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 seating_class=c of possible values a) premium economy b) first class c) economy d) business departure_date=9th of this month destination=sf airlines=c of possible values a) american airlines b) air canada c) delta airlines d) united airlines e) air france f) southwest airlines g) british airways h) alaska airlines return_date=the 13th passengers=d of possible values a) 4 b) 3 c) 2 d) 1 [context] [user] search a flight for me. [system] on which date are you starting and returning? [user] starting on 7th of this month and returning on the 13th. [system] from where do you depart? [user] from sf i'm departing. search me economy class tickets. [system] where is your destination? [user] i'm going to seattle, wa. [system] there are 5 flights available. is alaska airlines okay for you? it takes off at 2:55 pm and while returning it takes off at 12 pm. the ticket rate is $132. [user] okay. i need four tickets for one way flight.
State: [state] origin=sf seating_class=c departure_date=7th of this month destination=seattle, wa airlines=h return_date=the 13th passengers=a

[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 origin=seattle departure_date=9th of this month passengers=b of possible values a) 2 b) 1 c) 3 d) 4 destination=sf seating_class=c of possible values a) first class b) business c) economy d) premium economy airlines=h of possible values a) air france b) american airlines c) alaska airlines d) united airlines e) air canada f) southwest airlines g) british airways h) delta airlines [context] [user] search a flight for me. [system] on which date are you starting and returning? [user] starting on 7th of this month and returning on the 13th. [system] from where do you depart? [user] from sf i'm departing. search me economy class tickets. [system] where is your destination? [user] i'm going to seattle, wa. [system] there are 5 flights available. is alaska airlines okay for you? it takes off at 2:55 pm and while returning it takes off at 12 pm. the ticket rate is $132. [user] okay. i need four tickets for one way flight. [system] there is 1 flight which is alaska airlines departs at 2:55 pm and it has 0 stops. $117 is the ticket cost. [user] from which airport does the flight depart? at what time the flight arrive at destination?
State: [state] return_date=the 13th origin=sf departure_date=7th of this month passengers=d destination=seattle, wa seating_class=c 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] passengers=d of possible values a) 2 b) 3 c) 4 d) 1 seating_class=b of possible values a) business b) economy c) premium economy d) first class airlines=a of possible values a) delta airlines b) alaska airlines c) southwest airlines d) american airlines e) united airlines f) british airways g) air canada h) air france return_date=the 13th destination=sf departure_date=9th of this month origin=seattle [context] [user] search a flight for me. [system] on which date are you starting and returning? [user] starting on 7th of this month and returning on the 13th. [system] from where do you depart? [user] from sf i'm departing. search me economy class tickets. [system] where is your destination? [user] i'm going to seattle, wa. [system] there are 5 flights available. is alaska airlines okay for you? it takes off at 2:55 pm and while returning it takes off at 12 pm. the ticket rate is $132. [user] okay. i need four tickets for one way flight. [system] there is 1 flight which is alaska airlines departs at 2:55 pm and it has 0 stops. $117 is the ticket cost. [user] from which airport does the flight depart? at what time the flight arrive at destination? [system] it departs from sfo international airport. the flight arrives at 5:06 pm. [user] okay, thank you.
State: [state] passengers=c seating_class=b airlines=b return_date=the 13th destination=seattle, wa departure_date=7th of this month origin=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] airlines=d of possible values a) air france b) british airways c) air canada d) delta airlines e) southwest airlines f) united airlines g) american airlines h) alaska airlines origin=seattle return_date=the 13th destination=sf seating_class=b of possible values a) first class b) economy c) premium economy d) business passengers=c of possible values a) 4 b) 2 c) 1 d) 3 departure_date=9th of this month [context] [user] search a flight for me. [system] on which date are you starting and returning? [user] starting on 7th of this month and returning on the 13th. [system] from where do you depart? [user] from sf i'm departing. search me economy class tickets. [system] where is your destination? [user] i'm going to seattle, wa. [system] there are 5 flights available. is alaska airlines okay for you? it takes off at 2:55 pm and while returning it takes off at 12 pm. the ticket rate is $132. [user] okay. i need four tickets for one way flight. [system] there is 1 flight which is alaska airlines departs at 2:55 pm and it has 0 stops. $117 is the ticket cost. [user] from which airport does the flight depart? at what time the flight arrive at destination? [system] it departs from sfo international airport. the flight arrives at 5:06 pm. [user] okay, thank you. [system] is there anything else you need? [user] no, thank you.
State: [state] airlines=h origin=sf return_date=the 13th destination=seattle, wa seating_class=b passengers=a departure_date=7th of this month