[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] origin=seattle departure_date=9th of this month seating_class=a of possible values a) economy b) premium economy c) first class d) business passengers=c of possible values a) 3 b) 4 c) 1 d) 2 return_date=the 13th airlines=h of possible values a) air france b) alaska airlines c) united airlines d) southwest airlines e) air canada f) british airways g) american airlines h) delta airlines destination=sf [context] [user] my name is jack. i'd like to book a one way flight from portland, or for a business trip.
State: [state] origin=portland, or departure_date=none seating_class=none passengers=none return_date=none airlines=none destination=none

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] seating_class=a of possible values a) economy b) first class c) premium economy d) business destination=sf airlines=g of possible values a) united airlines b) alaska airlines c) american airlines d) southwest airlines e) british airways f) air canada g) delta airlines h) air france return_date=the 13th passengers=d of possible values a) 3 b) 2 c) 4 d) 1 origin=seattle departure_date=9th of this month [context] [user] my name is jack. i'd like to book a one way flight from portland, or for a business trip. [system] which is your destination city of travel? [user] i would be flying to chicago.
State: [state] seating_class=none destination=chicago airlines=none return_date=none passengers=none origin=portland, or departure_date=none

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] destination=sf airlines=e of possible values a) united airlines b) british airways c) american airlines d) air france e) delta airlines f) southwest airlines g) alaska airlines h) air canada seating_class=d of possible values a) premium economy b) business c) first class d) economy passengers=c of possible values a) 3 b) 2 c) 1 d) 4 departure_date=9th of this month return_date=the 13th origin=seattle [context] [user] my name is jack. i'd like to book a one way flight from portland, or for a business trip. [system] which is your destination city of travel? [user] i would be flying to chicago. [system] what date and what time please? which airline would you like to choose? [user] on march 7th, i've to start my journey. any airlines would be fine. i would like to book in business class.
State: [state] destination=chicago airlines=dontcare seating_class=none passengers=none departure_date=march 7th return_date=none origin=portland, or

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] passengers=a of possible values a) 1 b) 2 c) 4 d) 3 seating_class=d of possible values a) first class b) business c) premium economy d) economy destination=sf departure_date=9th of this month airlines=e of possible values a) american airlines b) british airways c) air france d) air canada e) delta airlines f) united airlines g) southwest airlines h) alaska airlines return_date=the 13th origin=seattle [context] [user] my name is jack. i'd like to book a one way flight from portland, or for a business trip. [system] which is your destination city of travel? [user] i would be flying to chicago. [system] what date and what time please? which airline would you like to choose? [user] on march 7th, i've to start my journey. any airlines would be fine. i would like to book in business class. [system] please hold on... i'll check the timetable for you.... here, you go! there are 5 flights matching your criteria. the one, alaska airlines that has only 1 stop takes off at 10:10 am and the travel cost is only $283. would you prefer to fly in this airlines? [user] please may i know if any other planes available? i need four tickets totally.
State: [state] passengers=c seating_class=none destination=chicago departure_date=march 7th airlines=dontcare return_date=none origin=portland, or

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] origin=seattle departure_date=9th of this month return_date=the 13th seating_class=d of possible values a) business b) premium economy c) first class d) economy passengers=b of possible values a) 2 b) 1 c) 3 d) 4 destination=sf airlines=e of possible values a) southwest airlines b) alaska airlines c) air france d) british airways e) delta airlines f) air canada g) united airlines h) american airlines [context] [user] my name is jack. i'd like to book a one way flight from portland, or for a business trip. [system] which is your destination city of travel? [user] i would be flying to chicago. [system] what date and what time please? which airline would you like to choose? [user] on march 7th, i've to start my journey. any airlines would be fine. i would like to book in business class. [system] please hold on... i'll check the timetable for you.... here, you go! there are 5 flights matching your criteria. the one, alaska airlines that has only 1 stop takes off at 10:10 am and the travel cost is only $283. would you prefer to fly in this airlines? [user] please may i know if any other planes available? i need four tickets totally. [system] yup! american airlines that has only 1 stop is readily available on that day. it takes off at 6 am and the travel cost would amounts to $233. will that be okay for you. [user] oh! i've made up my mind. please find some other flights in premium economy class tickets to atlanta, ga.
State: [state] origin=portland, or departure_date=march 7th return_date=none seating_class=b passengers=d destination=atlanta, ga airlines=dontcare

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] airlines=f of possible values a) american airlines b) united airlines c) southwest airlines d) british airways e) air france f) delta airlines g) air canada h) alaska airlines passengers=c of possible values a) 4 b) 2 c) 1 d) 3 seating_class=d of possible values a) premium economy b) first class c) business d) economy return_date=the 13th departure_date=9th of this month destination=sf origin=seattle [context] [user] my name is jack. i'd like to book a one way flight from portland, or for a business trip. [system] which is your destination city of travel? [user] i would be flying to chicago. [system] what date and what time please? which airline would you like to choose? [user] on march 7th, i've to start my journey. any airlines would be fine. i would like to book in business class. [system] please hold on... i'll check the timetable for you.... here, you go! there are 5 flights matching your criteria. the one, alaska airlines that has only 1 stop takes off at 10:10 am and the travel cost is only $283. would you prefer to fly in this airlines? [user] please may i know if any other planes available? i need four tickets totally. [system] yup! american airlines that has only 1 stop is readily available on that day. it takes off at 6 am and the travel cost would amounts to $233. will that be okay for you. [user] oh! i've made up my mind. please find some other flights in premium economy class tickets to atlanta, ga. [system] will delta airlines meet your requirement? the flight stops only at 1 place and it would takes off at 9:35 am. cost of the ticket is $376 only. [user] how much would it cost if i am looking for a round trip?
State: [state] airlines=f passengers=a seating_class=a return_date=none departure_date=march 7th destination=atlanta, ga origin=portland, or

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] airlines=f of possible values a) american airlines b) air france c) united airlines d) british airways e) alaska airlines f) delta airlines g) air canada h) southwest airlines return_date=the 13th origin=seattle passengers=a of possible values a) 1 b) 4 c) 3 d) 2 destination=sf seating_class=b of possible values a) business b) economy c) premium economy d) first class departure_date=9th of this month [context] [user] my name is jack. i'd like to book a one way flight from portland, or for a business trip. [system] which is your destination city of travel? [user] i would be flying to chicago. [system] what date and what time please? which airline would you like to choose? [user] on march 7th, i've to start my journey. any airlines would be fine. i would like to book in business class. [system] please hold on... i'll check the timetable for you.... here, you go! there are 5 flights matching your criteria. the one, alaska airlines that has only 1 stop takes off at 10:10 am and the travel cost is only $283. would you prefer to fly in this airlines? [user] please may i know if any other planes available? i need four tickets totally. [system] yup! american airlines that has only 1 stop is readily available on that day. it takes off at 6 am and the travel cost would amounts to $233. will that be okay for you. [user] oh! i've made up my mind. please find some other flights in premium economy class tickets to atlanta, ga. [system] will delta airlines meet your requirement? the flight stops only at 1 place and it would takes off at 9:35 am. cost of the ticket is $376 only. [user] how much would it cost if i am looking for a round trip? [system] please can i know when you wish to have the return flight? [user] i'll be back on the 10th.
State: [state] airlines=f return_date=the 10th origin=portland, or passengers=b destination=atlanta, ga seating_class=c departure_date=march 7th

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] return_date=the 13th departure_date=9th of this month airlines=e of possible values a) air france b) united airlines c) air canada d) alaska airlines e) delta airlines f) southwest airlines g) british airways h) american airlines passengers=b of possible values a) 2 b) 1 c) 3 d) 4 origin=seattle destination=sf seating_class=a of possible values a) economy b) first class c) premium economy d) business [context] [user] my name is jack. i'd like to book a one way flight from portland, or for a business trip. [system] which is your destination city of travel? [user] i would be flying to chicago. [system] what date and what time please? which airline would you like to choose? [user] on march 7th, i've to start my journey. any airlines would be fine. i would like to book in business class. [system] please hold on... i'll check the timetable for you.... here, you go! there are 5 flights matching your criteria. the one, alaska airlines that has only 1 stop takes off at 10:10 am and the travel cost is only $283. would you prefer to fly in this airlines? [user] please may i know if any other planes available? i need four tickets totally. [system] yup! american airlines that has only 1 stop is readily available on that day. it takes off at 6 am and the travel cost would amounts to $233. will that be okay for you. [user] oh! i've made up my mind. please find some other flights in premium economy class tickets to atlanta, ga. [system] will delta airlines meet your requirement? the flight stops only at 1 place and it would takes off at 9:35 am. cost of the ticket is $376 only. [user] how much would it cost if i am looking for a round trip? [system] please can i know when you wish to have the return flight? [user] i'll be back on the 10th. [system] do you prefer the same delta airlines flight that has a round trip and the return flight takes off at 5:50 am and the onward journey would be at 9:35 am. cost is just $445 for the travel. [user] at what time will i reach the destination?
State: [state] return_date=the 10th departure_date=march 7th airlines=e passengers=d origin=portland, or destination=atlanta, ga seating_class=c

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] airlines=h of possible values a) british airways b) air france c) united airlines d) alaska airlines e) american airlines f) air canada g) southwest airlines h) delta airlines passengers=c of possible values a) 4 b) 2 c) 1 d) 3 return_date=the 13th seating_class=c of possible values a) premium economy b) first class c) economy d) business origin=seattle departure_date=9th of this month destination=sf [context] [user] my name is jack. i'd like to book a one way flight from portland, or for a business trip. [system] which is your destination city of travel? [user] i would be flying to chicago. [system] what date and what time please? which airline would you like to choose? [user] on march 7th, i've to start my journey. any airlines would be fine. i would like to book in business class. [system] please hold on... i'll check the timetable for you.... here, you go! there are 5 flights matching your criteria. the one, alaska airlines that has only 1 stop takes off at 10:10 am and the travel cost is only $283. would you prefer to fly in this airlines? [user] please may i know if any other planes available? i need four tickets totally. [system] yup! american airlines that has only 1 stop is readily available on that day. it takes off at 6 am and the travel cost would amounts to $233. will that be okay for you. [user] oh! i've made up my mind. please find some other flights in premium economy class tickets to atlanta, ga. [system] will delta airlines meet your requirement? the flight stops only at 1 place and it would takes off at 9:35 am. cost of the ticket is $376 only. [user] how much would it cost if i am looking for a round trip? [system] please can i know when you wish to have the return flight? [user] i'll be back on the 10th. [system] do you prefer the same delta airlines flight that has a round trip and the return flight takes off at 5:50 am and the onward journey would be at 9:35 am. cost is just $445 for the travel. [user] at what time will i reach the destination? [system] destination arrival of the flight will be at 8:47 pm. [user] okay! thanks for your help.
State: [state] airlines=h passengers=a return_date=the 10th seating_class=a origin=portland, or departure_date=march 7th destination=atlanta, ga