[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] seating_class=dontcare of possible values a) economy b) premium economy c) first class d) business origin_city=las vegas refundable=b of possible values a) false b) true return_date=9th of this month inbound_departure_time=8:25 pm passengers=b of possible values a) 4 b) 1 c) 3 d) 2 departure_date=6th of this month outbound_departure_time=3:10 pm destination_city=sd airlines=d of possible values a) air france b) united airlines c) american airlines d) southwest airlines e) air canada f) british airways g) delta airlines h) alaska airlines [context] [user] i'm trying to find a one way flight for four people on the 5th of march.
State: [state] seating_class=none origin_city=none refundable=none return_date=none inbound_departure_time=none passengers=a departure_date=5th of march outbound_departure_time=none destination_city=none airlines=none

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] seating_class=dontcare of possible values a) premium economy b) business c) economy d) first class airlines=g of possible values a) alaska airlines b) british airways c) delta airlines d) united airlines e) air france f) american airlines g) southwest airlines h) air canada return_date=9th of this month departure_date=6th of this month refundable=a of possible values a) true b) false destination_city=sd outbound_departure_time=3:10 pm inbound_departure_time=8:25 pm passengers=d of possible values a) 2 b) 3 c) 4 d) 1 origin_city=las vegas [context] [user] i'm trying to find a one way flight for four people on the 5th of march. [system] what is your destination and your departure place? [user] leaving from toronto, canada and going to philly.
State: [state] seating_class=none airlines=none return_date=none departure_date=5th of march refundable=none destination_city=philly outbound_departure_time=none inbound_departure_time=none passengers=c origin_city=toronto, canada

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] outbound_departure_time=3:10 pm departure_date=6th of this month passengers=a of possible values a) 1 b) 3 c) 2 d) 4 destination_city=sd origin_city=las vegas inbound_departure_time=8:25 pm airlines=f of possible values a) british airways b) alaska airlines c) american airlines d) air france e) air canada f) southwest airlines g) delta airlines h) united airlines return_date=9th of this month refundable=b of possible values a) false b) true seating_class=dontcare of possible values a) premium economy b) first class c) economy d) business [context] [user] i'm trying to find a one way flight for four people on the 5th of march. [system] what is your destination and your departure place? [user] leaving from toronto, canada and going to philly. [system] i have 3 possibilities for you, and air canada flight leaving at 1:25 pm with one stop for $149. [user] departing from where?
State: [state] outbound_departure_time=none departure_date=5th of march passengers=d destination_city=philly origin_city=toronto, canada inbound_departure_time=none airlines=none return_date=none refundable=none seating_class=none

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] outbound_departure_time=3:10 pm destination_city=sd passengers=a of possible values a) 1 b) 3 c) 4 d) 2 inbound_departure_time=8:25 pm seating_class=dontcare of possible values a) business b) premium economy c) first class d) economy airlines=a of possible values a) southwest airlines b) united airlines c) air canada d) air france e) british airways f) alaska airlines g) american airlines h) delta airlines refundable=a of possible values a) true b) false departure_date=6th of this month origin_city=las vegas return_date=9th of this month [context] [user] i'm trying to find a one way flight for four people on the 5th of march. [system] what is your destination and your departure place? [user] leaving from toronto, canada and going to philly. [system] i have 3 possibilities for you, and air canada flight leaving at 1:25 pm with one stop for $149. [user] departing from where? [system] it leaves from toronto pearson international airport. [user] what else do you have?
State: [state] outbound_departure_time=none destination_city=philly passengers=c inbound_departure_time=none seating_class=none airlines=none refundable=none departure_date=5th of march origin_city=toronto, canada return_date=none

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] destination_city=sd return_date=9th of this month airlines=h of possible values a) delta airlines b) british airways c) air france d) american airlines e) air canada f) united airlines g) alaska airlines h) southwest airlines outbound_departure_time=3:10 pm inbound_departure_time=8:25 pm seating_class=dontcare of possible values a) economy b) premium economy c) business d) first class origin_city=las vegas refundable=a of possible values a) true b) false passengers=d of possible values a) 3 b) 4 c) 2 d) 1 departure_date=6th of this month [context] [user] i'm trying to find a one way flight for four people on the 5th of march. [system] what is your destination and your departure place? [user] leaving from toronto, canada and going to philly. [system] i have 3 possibilities for you, and air canada flight leaving at 1:25 pm with one stop for $149. [user] departing from where? [system] it leaves from toronto pearson international airport. [user] what else do you have? [system] i have an american airlines flight leaving at 12:50 pm for $146 with 1 stop. [user] what else is available?
State: [state] destination_city=philly return_date=none airlines=none outbound_departure_time=none inbound_departure_time=none seating_class=none origin_city=toronto, canada refundable=none passengers=b departure_date=5th of march

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] passengers=d of possible values a) 2 b) 3 c) 4 d) 1 origin_city=las vegas airlines=e of possible values a) united airlines b) air france c) air canada d) british airways e) southwest airlines f) alaska airlines g) american airlines h) delta airlines refundable=b of possible values a) false b) true outbound_departure_time=3:10 pm inbound_departure_time=8:25 pm departure_date=6th of this month destination_city=sd seating_class=dontcare of possible values a) economy b) first class c) premium economy d) business return_date=9th of this month [context] [user] i'm trying to find a one way flight for four people on the 5th of march. [system] what is your destination and your departure place? [user] leaving from toronto, canada and going to philly. [system] i have 3 possibilities for you, and air canada flight leaving at 1:25 pm with one stop for $149. [user] departing from where? [system] it leaves from toronto pearson international airport. [user] what else do you have? [system] i have an american airlines flight leaving at 12:50 pm for $146 with 1 stop. [user] what else is available? [system] there is a united airlines flight with 1 stop leaving at 5:35 pm for $221. [user] that sounds like a possibility. i like economy seats.
State: [state] passengers=c origin_city=toronto, canada airlines=a refundable=none outbound_departure_time=5:35 pm inbound_departure_time=none departure_date=5th of march destination_city=philly seating_class=a return_date=none

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] return_date=9th of this month departure_date=6th of this month refundable=a of possible values a) true b) false airlines=e of possible values a) american airlines b) alaska airlines c) delta airlines d) united airlines e) southwest airlines f) air france g) air canada h) british airways destination_city=sd inbound_departure_time=8:25 pm origin_city=las vegas passengers=b of possible values a) 4 b) 1 c) 3 d) 2 seating_class=dontcare of possible values a) business b) first class c) premium economy d) economy outbound_departure_time=3:10 pm [context] [user] i'm trying to find a one way flight for four people on the 5th of march. [system] what is your destination and your departure place? [user] leaving from toronto, canada and going to philly. [system] i have 3 possibilities for you, and air canada flight leaving at 1:25 pm with one stop for $149. [user] departing from where? [system] it leaves from toronto pearson international airport. [user] what else do you have? [system] i have an american airlines flight leaving at 12:50 pm for $146 with 1 stop. [user] what else is available? [system] there is a united airlines flight with 1 stop leaving at 5:35 pm for $221. [user] that sounds like a possibility. i like economy seats. [system] what is your return date? [user] the return is march 7th.
State: [state] return_date=march 7th departure_date=5th of march refundable=none airlines=d destination_city=philly inbound_departure_time=none origin_city=toronto, canada passengers=a seating_class=d outbound_departure_time=5:35 pm

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] passengers=a of possible values a) 1 b) 2 c) 3 d) 4 return_date=9th of this month airlines=f of possible values a) american airlines b) british airways c) united airlines d) air france e) air canada f) southwest airlines g) alaska airlines h) delta airlines origin_city=las vegas seating_class=dontcare of possible values a) premium economy b) first class c) business d) economy outbound_departure_time=3:10 pm departure_date=6th of this month destination_city=sd refundable=b of possible values a) false b) true inbound_departure_time=8:25 pm [context] [user] i'm trying to find a one way flight for four people on the 5th of march. [system] what is your destination and your departure place? [user] leaving from toronto, canada and going to philly. [system] i have 3 possibilities for you, and air canada flight leaving at 1:25 pm with one stop for $149. [user] departing from where? [system] it leaves from toronto pearson international airport. [user] what else do you have? [system] i have an american airlines flight leaving at 12:50 pm for $146 with 1 stop. [user] what else is available? [system] there is a united airlines flight with 1 stop leaving at 5:35 pm for $221. [user] that sounds like a possibility. i like economy seats. [system] what is your return date? [user] the return is march 7th. [system] i have a united airlines flight leaving at 5:35 pm and coming back at 11:30 am for $240. [user] what's the arrival time of the return?
State: [state] passengers=d return_date=march 7th airlines=c origin_city=toronto, canada seating_class=d outbound_departure_time=5:35 pm departure_date=5th of march destination_city=philly refundable=none inbound_departure_time=none

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] airlines=h of possible values a) delta airlines b) air france c) united airlines d) air canada e) alaska airlines f) american airlines g) british airways h) southwest airlines destination_city=sd inbound_departure_time=8:25 pm passengers=d of possible values a) 4 b) 2 c) 3 d) 1 outbound_departure_time=3:10 pm departure_date=6th of this month refundable=b of possible values a) false b) true seating_class=dontcare of possible values a) business b) first class c) economy d) premium economy origin_city=las vegas return_date=9th of this month [context] [user] i'm trying to find a one way flight for four people on the 5th of march. [system] what is your destination and your departure place? [user] leaving from toronto, canada and going to philly. [system] i have 3 possibilities for you, and air canada flight leaving at 1:25 pm with one stop for $149. [user] departing from where? [system] it leaves from toronto pearson international airport. [user] what else do you have? [system] i have an american airlines flight leaving at 12:50 pm for $146 with 1 stop. [user] what else is available? [system] there is a united airlines flight with 1 stop leaving at 5:35 pm for $221. [user] that sounds like a possibility. i like economy seats. [system] what is your return date? [user] the return is march 7th. [system] i have a united airlines flight leaving at 5:35 pm and coming back at 11:30 am for $240. [user] what's the arrival time of the return? [system] it comes back at 5:08 pm. [user] that sounds like it will work.
State: [state] airlines=c destination_city=philly inbound_departure_time=11:30 am passengers=a outbound_departure_time=5:35 pm departure_date=5th of march refundable=none seating_class=c origin_city=toronto, canada return_date=march 7th

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] inbound_departure_time=8:25 pm passengers=d of possible values a) 2 b) 3 c) 4 d) 1 airlines=g of possible values a) air france b) air canada c) american airlines d) delta airlines e) british airways f) united airlines g) southwest airlines h) alaska airlines departure_date=6th of this month return_date=9th of this month refundable=a of possible values a) true b) false origin_city=las vegas destination_city=sd seating_class=dontcare of possible values a) premium economy b) business c) economy d) first class outbound_departure_time=3:10 pm [context] [user] i'm trying to find a one way flight for four people on the 5th of march. [system] what is your destination and your departure place? [user] leaving from toronto, canada and going to philly. [system] i have 3 possibilities for you, and air canada flight leaving at 1:25 pm with one stop for $149. [user] departing from where? [system] it leaves from toronto pearson international airport. [user] what else do you have? [system] i have an american airlines flight leaving at 12:50 pm for $146 with 1 stop. [user] what else is available? [system] there is a united airlines flight with 1 stop leaving at 5:35 pm for $221. [user] that sounds like a possibility. i like economy seats. [system] what is your return date? [user] the return is march 7th. [system] i have a united airlines flight leaving at 5:35 pm and coming back at 11:30 am for $240. [user] what's the arrival time of the return? [system] it comes back at 5:08 pm. [user] that sounds like it will work. [system] would you like to reserve that? [user] yes, i would.
State: [state] inbound_departure_time=11:30 am passengers=c airlines=f departure_date=5th of march return_date=march 7th refundable=none origin_city=toronto, canada destination_city=philly seating_class=c outbound_departure_time=5:35 pm

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] refundable=a of possible values a) true b) false origin_city=las vegas departure_date=6th of this month return_date=9th of this month passengers=d of possible values a) 2 b) 3 c) 4 d) 1 outbound_departure_time=3:10 pm inbound_departure_time=8:25 pm seating_class=dontcare of possible values a) premium economy b) economy c) business d) first class destination_city=sd airlines=f of possible values a) air france b) british airways c) united airlines d) american airlines e) delta airlines f) southwest airlines g) alaska airlines h) air canada [context] [user] i'm trying to find a one way flight for four people on the 5th of march. [system] what is your destination and your departure place? [user] leaving from toronto, canada and going to philly. [system] i have 3 possibilities for you, and air canada flight leaving at 1:25 pm with one stop for $149. [user] departing from where? [system] it leaves from toronto pearson international airport. [user] what else do you have? [system] i have an american airlines flight leaving at 12:50 pm for $146 with 1 stop. [user] what else is available? [system] there is a united airlines flight with 1 stop leaving at 5:35 pm for $221. [user] that sounds like a possibility. i like economy seats. [system] what is your return date? [user] the return is march 7th. [system] i have a united airlines flight leaving at 5:35 pm and coming back at 11:30 am for $240. [user] what's the arrival time of the return? [system] it comes back at 5:08 pm. [user] that sounds like it will work. [system] would you like to reserve that? [user] yes, i would. [system] please confirm, leaving from toronto and going to philadelphia on united airlines next tuesday and returning next thursday. the onword flight departs at 5:35 pm and returns at 11:30 am, seating in economy for 4 passengers. [user] sounds ok, where does it fly into?
State: [state] refundable=none origin_city=toronto departure_date=5th of march return_date=march 7th passengers=c outbound_departure_time=5:35 pm inbound_departure_time=11:30 am seating_class=b destination_city=philadelphia airlines=c

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] departure_date=6th of this month seating_class=dontcare of possible values a) business b) economy c) first class d) premium economy outbound_departure_time=3:10 pm airlines=b of possible values a) delta airlines b) southwest airlines c) air france d) air canada e) british airways f) united airlines g) american airlines h) alaska airlines destination_city=sd origin_city=las vegas passengers=d of possible values a) 3 b) 4 c) 2 d) 1 return_date=9th of this month refundable=a of possible values a) true b) false inbound_departure_time=8:25 pm [context] [user] i'm trying to find a one way flight for four people on the 5th of march. [system] what is your destination and your departure place? [user] leaving from toronto, canada and going to philly. [system] i have 3 possibilities for you, and air canada flight leaving at 1:25 pm with one stop for $149. [user] departing from where? [system] it leaves from toronto pearson international airport. [user] what else do you have? [system] i have an american airlines flight leaving at 12:50 pm for $146 with 1 stop. [user] what else is available? [system] there is a united airlines flight with 1 stop leaving at 5:35 pm for $221. [user] that sounds like a possibility. i like economy seats. [system] what is your return date? [user] the return is march 7th. [system] i have a united airlines flight leaving at 5:35 pm and coming back at 11:30 am for $240. [user] what's the arrival time of the return? [system] it comes back at 5:08 pm. [user] that sounds like it will work. [system] would you like to reserve that? [user] yes, i would. [system] please confirm, leaving from toronto and going to philadelphia on united airlines next tuesday and returning next thursday. the onword flight departs at 5:35 pm and returns at 11:30 am, seating in economy for 4 passengers. [user] sounds ok, where does it fly into? [system] it flies into phl international airport. the booking is complete. [user] what is the arrival time of the onward flight and can the ticket be refunded?
State: [state] departure_date=5th of march seating_class=b outbound_departure_time=5:35 pm airlines=f destination_city=philadelphia origin_city=toronto passengers=b return_date=march 7th refundable=none inbound_departure_time=11:30 am

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] origin_city=las vegas return_date=9th of this month passengers=a of possible values a) 1 b) 2 c) 3 d) 4 inbound_departure_time=8:25 pm airlines=g of possible values a) american airlines b) air france c) united airlines d) delta airlines e) alaska airlines f) british airways g) southwest airlines h) air canada departure_date=6th of this month outbound_departure_time=3:10 pm destination_city=sd seating_class=dontcare of possible values a) premium economy b) first class c) business d) economy refundable=a of possible values a) true b) false [context] [user] i'm trying to find a one way flight for four people on the 5th of march. [system] what is your destination and your departure place? [user] leaving from toronto, canada and going to philly. [system] i have 3 possibilities for you, and air canada flight leaving at 1:25 pm with one stop for $149. [user] departing from where? [system] it leaves from toronto pearson international airport. [user] what else do you have? [system] i have an american airlines flight leaving at 12:50 pm for $146 with 1 stop. [user] what else is available? [system] there is a united airlines flight with 1 stop leaving at 5:35 pm for $221. [user] that sounds like a possibility. i like economy seats. [system] what is your return date? [user] the return is march 7th. [system] i have a united airlines flight leaving at 5:35 pm and coming back at 11:30 am for $240. [user] what's the arrival time of the return? [system] it comes back at 5:08 pm. [user] that sounds like it will work. [system] would you like to reserve that? [user] yes, i would. [system] please confirm, leaving from toronto and going to philadelphia on united airlines next tuesday and returning next thursday. the onword flight departs at 5:35 pm and returns at 11:30 am, seating in economy for 4 passengers. [user] sounds ok, where does it fly into? [system] it flies into phl international airport. the booking is complete. [user] what is the arrival time of the onward flight and can the ticket be refunded? [system] the arrival time is 0:16 am and it is a non refundable ticket. [user] sounds perfect, thank you.
State: [state] origin_city=toronto return_date=march 7th passengers=d inbound_departure_time=11:30 am airlines=c departure_date=5th of march outbound_departure_time=5:35 pm destination_city=philadelphia seating_class=d refundable=none