[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 destination_city=sd outbound_departure_time=3:10 pm origin_city=las vegas passengers=b of possible values a) 2 b) 1 c) 4 d) 3 departure_date=6th of this month inbound_departure_time=8:25 pm airlines=c of possible values a) air france b) air canada c) southwest airlines d) delta airlines e) united airlines f) american airlines g) alaska airlines h) british airways seating_class=dontcare of possible values a) business b) first class c) premium economy d) economy refundable=b of possible values a) false b) true [context] [user] i'd like to book a one-way flight.
State: [state] return_date=none destination_city=none outbound_departure_time=none origin_city=none passengers=none departure_date=none inbound_departure_time=none airlines=none seating_class=none refundable=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] inbound_departure_time=8:25 pm passengers=b of possible values a) 3 b) 1 c) 2 d) 4 refundable=a of possible values a) true b) false outbound_departure_time=3:10 pm seating_class=dontcare of possible values a) first class b) premium economy c) business d) economy return_date=9th of this month origin_city=las vegas departure_date=6th of this month airlines=g of possible values a) air france b) american airlines c) united airlines d) air canada e) delta airlines f) alaska airlines g) southwest airlines h) british airways destination_city=sd [context] [user] i'd like to book a one-way flight. [system] any particular airline? [user] delta airlines if possible.
State: [state] inbound_departure_time=none passengers=none refundable=none outbound_departure_time=none seating_class=none return_date=none origin_city=none departure_date=none airlines=e destination_city=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=e of possible values a) air france b) delta airlines c) british airways d) alaska airlines e) southwest airlines f) american airlines g) air canada h) united airlines destination_city=sd outbound_departure_time=3:10 pm inbound_departure_time=8:25 pm passengers=c of possible values a) 3 b) 2 c) 1 d) 4 return_date=9th of this month refundable=b of possible values a) false b) true origin_city=las vegas departure_date=6th of this month seating_class=dontcare of possible values a) economy b) premium economy c) business d) first class [context] [user] i'd like to book a one-way flight. [system] any particular airline? [user] delta airlines if possible. [system] where are you leaving from? [user] from vancouver, bc.
State: [state] airlines=b destination_city=none outbound_departure_time=none inbound_departure_time=none passengers=none return_date=none refundable=none origin_city=vancouver, bc departure_date=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 return_date=9th of this month inbound_departure_time=8:25 pm departure_date=6th of this month seating_class=dontcare of possible values a) first class b) economy c) business d) premium economy passengers=d of possible values a) 3 b) 2 c) 4 d) 1 refundable=a of possible values a) true b) false destination_city=sd origin_city=las vegas airlines=c of possible values a) air canada b) air france c) southwest airlines d) united airlines e) delta airlines f) british airways g) american airlines h) alaska airlines [context] [user] i'd like to book a one-way flight. [system] any particular airline? [user] delta airlines if possible. [system] where are you leaving from? [user] from vancouver, bc. [system] and where do you want to go? [user] las vegas, leaving on the 5th of march. business or economy.
State: [state] outbound_departure_time=none return_date=none inbound_departure_time=none departure_date=5th of march seating_class=dontcare passengers=none refundable=none destination_city=vegas origin_city=vancouver, bc airlines=e

[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 outbound_departure_time=3:10 pm return_date=9th of this month airlines=b of possible values a) delta airlines b) southwest airlines c) alaska airlines d) united airlines e) air france f) air canada g) american airlines h) british airways destination_city=sd refundable=b of possible values a) false b) true origin_city=las vegas departure_date=6th of this month seating_class=dontcare of possible values a) economy b) premium economy c) first class d) business passengers=b of possible values a) 3 b) 1 c) 4 d) 2 [context] [user] i'd like to book a one-way flight. [system] any particular airline? [user] delta airlines if possible. [system] where are you leaving from? [user] from vancouver, bc. [system] and where do you want to go? [user] las vegas, leaving on the 5th of march. business or economy. [system] i have an economy delta airlines flight leaving vancouver for las vegas next tuesday. is 1 ticket enough? [user] yes, that sounds good.
State: [state] inbound_departure_time=none outbound_departure_time=none return_date=none airlines=a destination_city=las vegas refundable=none origin_city=vancouver departure_date=5th of march seating_class=dontcare passengers=b

[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 outbound_departure_time=3:10 pm seating_class=dontcare of possible values a) premium economy b) business c) economy d) first class destination_city=sd refundable=b of possible values a) false b) true origin_city=las vegas departure_date=6th of this month return_date=9th of this month passengers=d of possible values a) 3 b) 2 c) 4 d) 1 airlines=b of possible values a) british airways b) southwest airlines c) air france d) delta airlines e) united airlines f) alaska airlines g) american airlines h) air canada [context] [user] i'd like to book a one-way flight. [system] any particular airline? [user] delta airlines if possible. [system] where are you leaving from? [user] from vancouver, bc. [system] and where do you want to go? [user] las vegas, leaving on the 5th of march. business or economy. [system] i have an economy delta airlines flight leaving vancouver for las vegas next tuesday. is 1 ticket enough? [user] yes, that sounds good. [system] i have booked your one-way flight. [user] thanks. that's all i need.
State: [state] inbound_departure_time=none outbound_departure_time=none seating_class=dontcare destination_city=las vegas refundable=none origin_city=vancouver departure_date=5th of march return_date=none passengers=d airlines=d