[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 return_date=the 13th origin=seattle passengers=b of possible values a) 3 b) 1 c) 2 d) 4 airlines=d of possible values a) air canada b) british airways c) southwest airlines d) delta airlines e) united airlines f) alaska airlines g) air france h) american airlines destination=sf seating_class=a of possible values a) economy b) business c) first class d) premium economy [context] [user] can you help me book a one way flight?
State: [state] departure_date=none return_date=none origin=none passengers=none airlines=none destination=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] airlines=d of possible values a) british airways b) air canada c) american airlines d) delta airlines e) united airlines f) southwest airlines g) air france h) alaska airlines departure_date=9th of this month seating_class=a of possible values a) economy b) first class c) business d) premium economy destination=sf return_date=the 13th origin=seattle passengers=b of possible values a) 4 b) 1 c) 2 d) 3 [context] [user] can you help me book a one way flight? [system] where would you like to go? and on what date would you like to depart? [user] i want to leave on march 12th from phoenix, az to sf. i'd like economy class tickets.
State: [state] airlines=none departure_date=march 12th seating_class=a destination=sf return_date=none origin=phoenix, az 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] passengers=d of possible values a) 4 b) 3 c) 2 d) 1 seating_class=b of possible values a) premium economy b) economy c) business d) first class origin=seattle destination=sf airlines=a of possible values a) delta airlines b) british airways c) southwest airlines d) american airlines e) air france f) alaska airlines g) united airlines h) air canada departure_date=9th of this month return_date=the 13th [context] [user] can you help me book a one way flight? [system] where would you like to go? and on what date would you like to depart? [user] i want to leave on march 12th from phoenix, az to sf. i'd like economy class tickets. [system] i found 4 flights for you. this one is with american airlines. it leaves at 7:35 am and has 1 stop. the ticket costs $168. [user] ok. i'm also looking for a return flight.
State: [state] passengers=none seating_class=b origin=phoenix, az destination=sf airlines=d departure_date=march 12th return_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] departure_date=9th of this month seating_class=a of possible values a) economy b) premium economy c) first class d) business return_date=the 13th origin=seattle destination=sf passengers=c of possible values a) 2 b) 4 c) 1 d) 3 airlines=a of possible values a) delta airlines b) air france c) alaska airlines d) american airlines e) southwest airlines f) british airways g) united airlines h) air canada [context] [user] can you help me book a one way flight? [system] where would you like to go? and on what date would you like to depart? [user] i want to leave on march 12th from phoenix, az to sf. i'd like economy class tickets. [system] i found 4 flights for you. this one is with american airlines. it leaves at 7:35 am and has 1 stop. the ticket costs $168. [user] ok. i'm also looking for a return flight. [system] which day do you want to return? [user] i want to return on the 14th of this month. i need 4 tickets.
State: [state] departure_date=march 12th seating_class=a return_date=14th of this month origin=phoenix, az destination=sf passengers=b airlines=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] airlines=a of possible values a) delta airlines b) british airways c) air canada d) alaska airlines e) american airlines f) air france g) united airlines h) southwest airlines return_date=the 13th passengers=b of possible values a) 3 b) 1 c) 2 d) 4 seating_class=a of possible values a) economy b) premium economy c) business d) first class departure_date=9th of this month destination=sf origin=seattle [context] [user] can you help me book a one way flight? [system] where would you like to go? and on what date would you like to depart? [user] i want to leave on march 12th from phoenix, az to sf. i'd like economy class tickets. [system] i found 4 flights for you. this one is with american airlines. it leaves at 7:35 am and has 1 stop. the ticket costs $168. [user] ok. i'm also looking for a return flight. [system] which day do you want to return? [user] i want to return on the 14th of this month. i need 4 tickets. [system] i found 1 flight for you. this one is with american airlines. it leaves at 7:35 am. the return fligth takes off at 8:10 am. the ticket costs $180. [user] ok. thanks for your help, that's all i need.
State: [state] airlines=e return_date=14th of this month passengers=d seating_class=a departure_date=march 12th destination=sf origin=phoenix, az