[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 origin_city=las vegas destination_city=sd airlines=d of possible values a) alaska airlines b) air canada c) united airlines d) southwest airlines e) british airways f) american airlines g) air france h) delta airlines seating_class=dontcare of possible values a) business b) premium economy c) first class d) economy departure_date=6th of this month inbound_departure_time=8:25 pm refundable=a of possible values a) true b) false passengers=c of possible values a) 3 b) 2 c) 1 d) 4 return_date=9th of this month [context] [user] i need flight tickets for a short trip. the return flight needs to leave at 3:15 in the afternoon.
State: [state] outbound_departure_time=none origin_city=none destination_city=none airlines=none seating_class=none departure_date=none inbound_departure_time=3:15 in the afternoon refundable=none passengers=none 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] departure_date=6th of this month return_date=9th of this month refundable=b of possible values a) false b) true destination_city=sd inbound_departure_time=8:25 pm passengers=a of possible values a) 1 b) 2 c) 4 d) 3 airlines=f of possible values a) air canada b) american airlines c) alaska airlines d) air france e) british airways f) southwest airlines g) delta airlines h) united airlines seating_class=dontcare of possible values a) premium economy b) first class c) economy d) business outbound_departure_time=3:10 pm origin_city=las vegas [context] [user] i need flight tickets for a short trip. the return flight needs to leave at 3:15 in the afternoon. [system] where are you departing from, where are you going, and when are returning? [user] i am leaving from san francisco, going to portland and returning on the 7th of march.
State: [state] departure_date=none return_date=7th of march refundable=none destination_city=portland inbound_departure_time=3:15 in the afternoon passengers=none airlines=none seating_class=none outbound_departure_time=none origin_city=san francisco

[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 return_date=9th of this month destination_city=sd airlines=h of possible values a) air canada b) united airlines c) delta airlines d) american airlines e) alaska airlines f) air france g) british airways h) southwest airlines 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 departure_date=6th of this month passengers=b of possible values a) 2 b) 1 c) 3 d) 4 [context] [user] i need flight tickets for a short trip. the return flight needs to leave at 3:15 in the afternoon. [system] where are you departing from, where are you going, and when are returning? [user] i am leaving from san francisco, going to portland and returning on the 7th of march. [system] what airline do you prefer? [user] i would like southwest airlines.
State: [state] refundable=none origin_city=san francisco return_date=7th of march destination_city=portland airlines=h outbound_departure_time=none inbound_departure_time=3:15 in the afternoon seating_class=none departure_date=none passengers=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 passengers=d of possible values a) 3 b) 2 c) 4 d) 1 departure_date=6th of this month inbound_departure_time=8:25 pm seating_class=dontcare of possible values a) first class b) business c) premium economy d) economy airlines=a of possible values a) southwest airlines b) american airlines c) british airways d) alaska airlines e) air canada f) delta airlines g) air france h) united airlines origin_city=las vegas refundable=a of possible values a) true b) false return_date=9th of this month destination_city=sd [context] [user] i need flight tickets for a short trip. the return flight needs to leave at 3:15 in the afternoon. [system] where are you departing from, where are you going, and when are returning? [user] i am leaving from san francisco, going to portland and returning on the 7th of march. [system] what airline do you prefer? [user] i would like southwest airlines. [system] what date and time do you want to depart? [user] i want to depart at 08:15 on march 3rd.
State: [state] outbound_departure_time=08:15 passengers=none departure_date=march 3rd inbound_departure_time=3:15 in the afternoon seating_class=none airlines=a origin_city=san francisco refundable=none return_date=7th of march destination_city=portland

[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=b of possible values a) 3 b) 1 c) 2 d) 4 departure_date=6th of this month airlines=g of possible values a) delta airlines b) british airways c) air france d) air canada e) american airlines f) united airlines g) southwest airlines h) alaska airlines 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 destination_city=sd seating_class=dontcare of possible values a) economy b) premium economy c) business d) first class outbound_departure_time=3:10 pm [context] [user] i need flight tickets for a short trip. the return flight needs to leave at 3:15 in the afternoon. [system] where are you departing from, where are you going, and when are returning? [user] i am leaving from san francisco, going to portland and returning on the 7th of march. [system] what airline do you prefer? [user] i would like southwest airlines. [system] what date and time do you want to depart? [user] i want to depart at 08:15 on march 3rd. [system] i have 1 ticket in economy class departing from san francisco to portland on southwest airlines. the onward flight leaves the day after tomorrow at 8:15 am and the return flight leaves at 3:15 pm next thursday. does that work for you? [user] yes, that works for me.
State: [state] passengers=b departure_date=march 3rd airlines=g origin_city=san francisco refundable=none return_date=7th of march inbound_departure_time=3:15 in the afternoon destination_city=portland seating_class=a outbound_departure_time=08:15

[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) american airlines b) alaska airlines c) air france d) delta airlines e) air canada f) united airlines g) british airways h) southwest airlines departure_date=6th of this month return_date=9th of this month origin_city=las vegas outbound_departure_time=3:10 pm seating_class=dontcare of possible values a) first class b) business c) economy d) premium economy destination_city=sd refundable=b of possible values a) false b) true inbound_departure_time=8:25 pm passengers=b of possible values a) 2 b) 1 c) 4 d) 3 [context] [user] i need flight tickets for a short trip. the return flight needs to leave at 3:15 in the afternoon. [system] where are you departing from, where are you going, and when are returning? [user] i am leaving from san francisco, going to portland and returning on the 7th of march. [system] what airline do you prefer? [user] i would like southwest airlines. [system] what date and time do you want to depart? [user] i want to depart at 08:15 on march 3rd. [system] i have 1 ticket in economy class departing from san francisco to portland on southwest airlines. the onward flight leaves the day after tomorrow at 8:15 am and the return flight leaves at 3:15 pm next thursday. does that work for you? [user] yes, that works for me. [system] your flight has been booked. [user] thanks for everything. that is all.
State: [state] airlines=h departure_date=march 3rd return_date=7th of march origin_city=san francisco outbound_departure_time=08:15 seating_class=c destination_city=portland refundable=none inbound_departure_time=3:15 in the afternoon passengers=b