[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 inbound_departure_time=8:25 pm refundable=b of possible values a) false b) true seating_class=dontcare of possible values a) economy b) premium economy c) first class d) business departure_date=6th of this month outbound_departure_time=3:10 pm airlines=e of possible values a) united airlines b) american airlines c) air france d) british airways e) southwest airlines f) alaska airlines g) delta airlines h) air canada origin_city=las vegas destination_city=sd passengers=c of possible values a) 2 b) 4 c) 1 d) 3 [context] [user] i want to go to london, england. can you find me a flight?
State: [state] return_date=none inbound_departure_time=none refundable=none seating_class=none departure_date=none outbound_departure_time=none airlines=none origin_city=none destination_city=london, england 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 inbound_departure_time=8:25 pm airlines=c of possible values a) united airlines b) air canada c) southwest airlines d) american airlines e) british airways f) delta airlines g) air france h) alaska airlines refundable=b of possible values a) false b) true return_date=9th of this month destination_city=sd departure_date=6th of this month origin_city=las vegas passengers=a of possible values a) 1 b) 2 c) 3 d) 4 seating_class=dontcare of possible values a) economy b) business c) first class d) premium economy [context] [user] i want to go to london, england. can you find me a flight? [system] what date are you coming back? [user] march 14th will be my due date.
State: [state] outbound_departure_time=none inbound_departure_time=none airlines=none refundable=none return_date=march 14th destination_city=london, england departure_date=none origin_city=none passengers=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 seating_class=dontcare of possible values a) business b) premium economy c) economy d) first class passengers=b of possible values a) 3 b) 1 c) 2 d) 4 refundable=a of possible values a) true b) false return_date=9th of this month airlines=c of possible values a) air canada b) delta airlines c) southwest airlines d) american airlines e) air france f) british airways g) alaska airlines h) united airlines destination_city=sd inbound_departure_time=8:25 pm departure_date=6th of this month origin_city=las vegas [context] [user] i want to go to london, england. can you find me a flight? [system] what date are you coming back? [user] march 14th will be my due date. [system] where and when are you leaving? [user] i want to leave on march 5th out of philadelphia.
State: [state] outbound_departure_time=none seating_class=none passengers=none refundable=none return_date=march 14th airlines=none destination_city=london, england inbound_departure_time=none departure_date=march 5th origin_city=philadelphia

[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 airlines=d of possible values a) british airways b) american airlines c) alaska airlines d) southwest airlines e) united airlines f) delta airlines g) air france h) air canada origin_city=las vegas outbound_departure_time=3:10 pm destination_city=sd refundable=a of possible values a) true b) false seating_class=dontcare of possible values a) economy b) first class c) business d) premium economy inbound_departure_time=8:25 pm passengers=a of possible values a) 1 b) 3 c) 4 d) 2 return_date=9th of this month [context] [user] i want to go to london, england. can you find me a flight? [system] what date are you coming back? [user] march 14th will be my due date. [system] where and when are you leaving? [user] i want to leave on march 5th out of philadelphia. [system] i found an american airlines flight that leaves at 4:45 pm and the return flight leaves at 2:05 pm. the cost is $322. [user] can you find something else?
State: [state] departure_date=march 5th airlines=none origin_city=philadelphia outbound_departure_time=none destination_city=london, england refundable=none seating_class=none inbound_departure_time=none passengers=none return_date=march 14th

[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) 4 b) 3 c) 2 d) 1 outbound_departure_time=3:10 pm destination_city=sd airlines=f of possible values a) american airlines b) alaska airlines c) british airways d) united airlines e) delta airlines f) southwest airlines g) air france h) air canada refundable=b of possible values a) false b) true inbound_departure_time=8:25 pm departure_date=6th of this month origin_city=las vegas return_date=9th of this month seating_class=dontcare of possible values a) economy b) premium economy c) first class d) business [context] [user] i want to go to london, england. can you find me a flight? [system] what date are you coming back? [user] march 14th will be my due date. [system] where and when are you leaving? [user] i want to leave on march 5th out of philadelphia. [system] i found an american airlines flight that leaves at 4:45 pm and the return flight leaves at 2:05 pm. the cost is $322. [user] can you find something else? [system] i found a delta airlines flight that leaves at 2:20 pm and the return flight departs at 8 am. it costs $368. [user] can you find something else for three people?
State: [state] passengers=b outbound_departure_time=none destination_city=london, england airlines=none refundable=none inbound_departure_time=none departure_date=march 5th origin_city=philadelphia return_date=march 14th 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] origin_city=las vegas departure_date=6th of this month destination_city=sd inbound_departure_time=8:25 pm passengers=d of possible values a) 4 b) 3 c) 2 d) 1 seating_class=dontcare of possible values a) economy b) business c) first class d) premium economy airlines=f of possible values a) air france b) american airlines c) air canada d) united airlines e) delta airlines f) southwest airlines g) british airways h) alaska airlines return_date=9th of this month refundable=b of possible values a) false b) true outbound_departure_time=3:10 pm [context] [user] i want to go to london, england. can you find me a flight? [system] what date are you coming back? [user] march 14th will be my due date. [system] where and when are you leaving? [user] i want to leave on march 5th out of philadelphia. [system] i found an american airlines flight that leaves at 4:45 pm and the return flight leaves at 2:05 pm. the cost is $322. [user] can you find something else? [system] i found a delta airlines flight that leaves at 2:20 pm and the return flight departs at 8 am. it costs $368. [user] can you find something else for three people? [system] i found a united airlines flight that departs at 11:30 am and the return flight departs at 0:25 am. it costs $301 per ticket. [user] that sounds great. can you find me economy tickets for my short trip?
State: [state] origin_city=philadelphia departure_date=march 5th destination_city=london, england inbound_departure_time=0:25 am passengers=b seating_class=a airlines=d return_date=march 14th refundable=none outbound_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] destination_city=sd seating_class=dontcare of possible values a) premium economy b) business c) first class d) economy return_date=9th of this month refundable=a of possible values a) true b) false departure_date=6th of this month origin_city=las vegas passengers=d of possible values a) 3 b) 2 c) 4 d) 1 airlines=e of possible values a) air france b) united airlines c) air canada d) alaska airlines e) southwest airlines f) delta airlines g) american airlines h) british airways inbound_departure_time=8:25 pm outbound_departure_time=3:10 pm [context] [user] i want to go to london, england. can you find me a flight? [system] what date are you coming back? [user] march 14th will be my due date. [system] where and when are you leaving? [user] i want to leave on march 5th out of philadelphia. [system] i found an american airlines flight that leaves at 4:45 pm and the return flight leaves at 2:05 pm. the cost is $322. [user] can you find something else? [system] i found a delta airlines flight that leaves at 2:20 pm and the return flight departs at 8 am. it costs $368. [user] can you find something else for three people? [system] i found a united airlines flight that departs at 11:30 am and the return flight departs at 0:25 am. it costs $301 per ticket. [user] that sounds great. can you find me economy tickets for my short trip? [system] your flight is out of philadelphia to london on united airlines on economy seating for 3 people. it leaves next tuesday at 11:30 am. and the return flight leaves at 0:25 am on march 14th. is that right? [user] yes, that is right. what airport does the return flight depart from?
State: [state] destination_city=london seating_class=d return_date=march 14th refundable=none departure_date=march 5th origin_city=philadelphia passengers=a airlines=b inbound_departure_time=0:25 am outbound_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] departure_date=6th of this month seating_class=dontcare of possible values a) premium economy b) economy c) first class d) business outbound_departure_time=3:10 pm airlines=d of possible values a) air france b) united airlines c) air canada d) southwest airlines e) delta airlines f) american airlines g) alaska airlines h) british airways origin_city=las vegas 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 refundable=b of possible values a) false b) true destination_city=sd [context] [user] i want to go to london, england. can you find me a flight? [system] what date are you coming back? [user] march 14th will be my due date. [system] where and when are you leaving? [user] i want to leave on march 5th out of philadelphia. [system] i found an american airlines flight that leaves at 4:45 pm and the return flight leaves at 2:05 pm. the cost is $322. [user] can you find something else? [system] i found a delta airlines flight that leaves at 2:20 pm and the return flight departs at 8 am. it costs $368. [user] can you find something else for three people? [system] i found a united airlines flight that departs at 11:30 am and the return flight departs at 0:25 am. it costs $301 per ticket. [user] that sounds great. can you find me economy tickets for my short trip? [system] your flight is out of philadelphia to london on united airlines on economy seating for 3 people. it leaves next tuesday at 11:30 am. and the return flight leaves at 0:25 am on march 14th. is that right? [user] yes, that is right. what airport does the return flight depart from? [system] your return flight is out of phl international airport and your tickets are confirmed. [user] thanks a lot.
State: [state] departure_date=march 5th seating_class=b outbound_departure_time=11:30 am airlines=b origin_city=philadelphia return_date=march 14th inbound_departure_time=0:25 am passengers=c refundable=none destination_city=london

[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 refundable=b of possible values a) false b) true outbound_departure_time=3:10 pm inbound_departure_time=8:25 pm airlines=c of possible values a) united airlines b) delta airlines c) southwest airlines d) british airways e) american airlines f) alaska airlines g) air france h) air canada origin_city=las vegas seating_class=dontcare of possible values a) business b) premium economy c) economy d) first class return_date=9th of this month departure_date=6th of this month [context] [user] i want to go to london, england. can you find me a flight? [system] what date are you coming back? [user] march 14th will be my due date. [system] where and when are you leaving? [user] i want to leave on march 5th out of philadelphia. [system] i found an american airlines flight that leaves at 4:45 pm and the return flight leaves at 2:05 pm. the cost is $322. [user] can you find something else? [system] i found a delta airlines flight that leaves at 2:20 pm and the return flight departs at 8 am. it costs $368. [user] can you find something else for three people? [system] i found a united airlines flight that departs at 11:30 am and the return flight departs at 0:25 am. it costs $301 per ticket. [user] that sounds great. can you find me economy tickets for my short trip? [system] your flight is out of philadelphia to london on united airlines on economy seating for 3 people. it leaves next tuesday at 11:30 am. and the return flight leaves at 0:25 am on march 14th. is that right? [user] yes, that is right. what airport does the return flight depart from? [system] your return flight is out of phl international airport and your tickets are confirmed. [user] thanks a lot. [system] can i help you with something else? [user] no, that is all. thanks.
State: [state] passengers=a destination_city=london refundable=none outbound_departure_time=11:30 am inbound_departure_time=0:25 am airlines=a origin_city=philadelphia seating_class=c return_date=march 14th departure_date=march 5th