[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=b of possible values a) false b) true origin_city=las vegas outbound_departure_time=3:10 pm passengers=a of possible values a) 1 b) 4 c) 2 d) 3 return_date=9th of this month seating_class=dontcare of possible values a) first class b) economy c) business d) premium economy inbound_departure_time=8:25 pm airlines=e of possible values a) american airlines b) alaska airlines c) british airways d) delta airlines e) southwest airlines f) air canada g) united airlines h) air france destination_city=sd departure_date=6th of this month [context] [user] i need to buy some plane tickets for a short trip.
State: [state] refundable=none origin_city=none outbound_departure_time=none passengers=none return_date=none seating_class=none inbound_departure_time=none airlines=none destination_city=none departure_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] passengers=d of possible values a) 3 b) 2 c) 4 d) 1 destination_city=sd inbound_departure_time=8:25 pm outbound_departure_time=3:10 pm return_date=9th of this month airlines=b of possible values a) american airlines b) southwest airlines c) british airways d) delta airlines e) air canada f) air france g) united airlines h) alaska airlines departure_date=6th of this month seating_class=dontcare of possible values a) first class b) business c) economy d) premium economy refundable=a of possible values a) true b) false origin_city=las vegas [context] [user] i need to buy some plane tickets for a short trip. [system] when do you want to leave and return? [user] i want to leave 9:30 in the morning and come home on march 5th.
State: [state] passengers=none destination_city=none inbound_departure_time=none outbound_departure_time=9:30 in the morning return_date=march 5th airlines=none departure_date=none seating_class=none refundable=none origin_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] inbound_departure_time=8:25 pm passengers=a of possible values a) 1 b) 2 c) 3 d) 4 airlines=e of possible values a) air france b) air canada c) united airlines d) delta airlines e) southwest airlines f) american airlines g) alaska airlines h) british airways seating_class=dontcare of possible values a) premium economy b) business c) first class d) economy outbound_departure_time=3:10 pm return_date=9th of this month destination_city=sd refundable=b of possible values a) false b) true departure_date=6th of this month origin_city=las vegas [context] [user] i need to buy some plane tickets for a short trip. [system] when do you want to leave and return? [user] i want to leave 9:30 in the morning and come home on march 5th. [system] when exactly do you want to leave? [user] 1st of this month. i'm interested in booking with southwest airlines.
State: [state] inbound_departure_time=none passengers=none airlines=e seating_class=none outbound_departure_time=9:30 in the morning return_date=march 5th destination_city=none refundable=none departure_date=1st of this month origin_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] refundable=a of possible values a) true b) false outbound_departure_time=3:10 pm origin_city=las vegas inbound_departure_time=8:25 pm destination_city=sd seating_class=dontcare of possible values a) first class b) premium economy c) economy d) business departure_date=6th of this month passengers=d of possible values a) 3 b) 2 c) 4 d) 1 return_date=9th of this month airlines=b of possible values a) air canada b) southwest airlines c) british airways d) american airlines e) air france f) delta airlines g) alaska airlines h) united airlines [context] [user] i need to buy some plane tickets for a short trip. [system] when do you want to leave and return? [user] i want to leave 9:30 in the morning and come home on march 5th. [system] when exactly do you want to leave? [user] 1st of this month. i'm interested in booking with southwest airlines. [system] where do you want to go and when? do you know what time you want to come back? [user] i'm going to lax and would like to get back home from chicago for around 12 o"clock in the afternoon.
State: [state] refundable=none outbound_departure_time=9:30 in the morning origin_city=chicago inbound_departure_time=12 o"clock in the afternoon destination_city=lax seating_class=none departure_date=1st of this month passengers=none return_date=march 5th airlines=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] passengers=c of possible values a) 3 b) 2 c) 1 d) 4 departure_date=6th of this month return_date=9th of this month destination_city=sd origin_city=las vegas refundable=b of possible values a) false b) true inbound_departure_time=8:25 pm airlines=a of possible values a) southwest airlines b) air canada c) air france d) american airlines e) united airlines f) british airways g) alaska airlines h) delta airlines outbound_departure_time=3:10 pm seating_class=dontcare of possible values a) economy b) business c) premium economy d) first class [context] [user] i need to buy some plane tickets for a short trip. [system] when do you want to leave and return? [user] i want to leave 9:30 in the morning and come home on march 5th. [system] when exactly do you want to leave? [user] 1st of this month. i'm interested in booking with southwest airlines. [system] where do you want to go and when? do you know what time you want to come back? [user] i'm going to lax and would like to get back home from chicago for around 12 o"clock in the afternoon. [system] just to make sure, you want a southwest airlines flight today at 9:30 am from chicago to los angeles, returning next tuesday at 12 pm. there's 1 passenger ticket in the economy section. [user] sounds perfect, thanks.
State: [state] passengers=c departure_date=1st of this month return_date=march 5th destination_city=lax origin_city=chicago refundable=none inbound_departure_time=12 o"clock in the afternoon airlines=a outbound_departure_time=9:30 am seating_class=a

[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 inbound_departure_time=8:25 pm passengers=b of possible values a) 4 b) 1 c) 3 d) 2 refundable=b of possible values a) false b) true destination_city=sd outbound_departure_time=3:10 pm return_date=9th of this month airlines=g of possible values a) delta airlines b) alaska airlines c) american airlines d) british airways e) united airlines f) air canada g) southwest airlines h) air france departure_date=6th of this month seating_class=dontcare of possible values a) premium economy b) economy c) first class d) business [context] [user] i need to buy some plane tickets for a short trip. [system] when do you want to leave and return? [user] i want to leave 9:30 in the morning and come home on march 5th. [system] when exactly do you want to leave? [user] 1st of this month. i'm interested in booking with southwest airlines. [system] where do you want to go and when? do you know what time you want to come back? [user] i'm going to lax and would like to get back home from chicago for around 12 o"clock in the afternoon. [system] just to make sure, you want a southwest airlines flight today at 9:30 am from chicago to los angeles, returning next tuesday at 12 pm. there's 1 passenger ticket in the economy section. [user] sounds perfect, thanks. [system] i'm sorry, but i can't book your southwest airlines flight from chicago to los angeles departing today and returning next tuesday. [user] that's perfect, thanks.
State: [state] origin_city=chicago inbound_departure_time=12 o"clock in the afternoon passengers=b refundable=none destination_city=lax outbound_departure_time=9:30 am return_date=march 5th airlines=g departure_date=1st of this month seating_class=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] refundable=a of possible values a) true b) false outbound_departure_time=3:10 pm departure_date=6th of this month destination_city=sd passengers=b of possible values a) 4 b) 1 c) 3 d) 2 inbound_departure_time=8:25 pm seating_class=dontcare of possible values a) first class b) business c) economy d) premium economy airlines=c of possible values a) alaska airlines b) american airlines c) southwest airlines d) air canada e) united airlines f) british airways g) delta airlines h) air france origin_city=las vegas return_date=9th of this month [context] [user] i need to buy some plane tickets for a short trip. [system] when do you want to leave and return? [user] i want to leave 9:30 in the morning and come home on march 5th. [system] when exactly do you want to leave? [user] 1st of this month. i'm interested in booking with southwest airlines. [system] where do you want to go and when? do you know what time you want to come back? [user] i'm going to lax and would like to get back home from chicago for around 12 o"clock in the afternoon. [system] just to make sure, you want a southwest airlines flight today at 9:30 am from chicago to los angeles, returning next tuesday at 12 pm. there's 1 passenger ticket in the economy section. [user] sounds perfect, thanks. [system] i'm sorry, but i can't book your southwest airlines flight from chicago to los angeles departing today and returning next tuesday. [user] that's perfect, thanks. [system] i'm sorry, but i can't book your southwest airlines flight from chicago to los angeles departing today and returning next tuesday. [user] no, i'm all set, thanks.
State: [state] refundable=none outbound_departure_time=9:30 am departure_date=1st of this month destination_city=lax passengers=b inbound_departure_time=12 o"clock in the afternoon seating_class=c airlines=c origin_city=chicago return_date=march 5th