[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=d of possible values a) premium economy b) business c) first class d) economy destination=sf return_date=the 13th departure_date=9th of this month origin=seattle passengers=c of possible values a) 2 b) 3 c) 1 d) 4 airlines=e of possible values a) southwest airlines b) american airlines c) alaska airlines d) united airlines e) delta airlines f) air canada g) british airways h) air france [context] [user] i am planning for a trip. i want to return on march 14th.
State: [state] seating_class=none destination=none return_date=march 14th departure_date=none origin=none passengers=none airlines=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 departure_date=9th of this month passengers=d of possible values a) 4 b) 3 c) 2 d) 1 return_date=the 13th seating_class=d of possible values a) business b) first class c) premium economy d) economy origin=seattle airlines=a of possible values a) delta airlines b) american airlines c) british airways d) united airlines e) air france f) air canada g) alaska airlines h) southwest airlines [context] [user] i am planning for a trip. i want to return on march 14th. [system] sounds good. when do you want to go ? and from which city do you want to travel? [user] i want to from la. i am planning to travel on 7th of march. i don't care about the airline.
State: [state] destination=none departure_date=7th of march passengers=none return_date=march 14th seating_class=none origin=la 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] departure_date=9th of this month destination=sf origin=seattle seating_class=a of possible values a) economy b) premium economy c) first class d) business return_date=the 13th passengers=c of possible values a) 4 b) 3 c) 1 d) 2 airlines=e of possible values a) southwest airlines b) british airways c) air france d) american airlines e) delta airlines f) alaska airlines g) united airlines h) air canada [context] [user] i am planning for a trip. i want to return on march 14th. [system] sounds good. when do you want to go ? and from which city do you want to travel? [user] i want to from la. i am planning to travel on 7th of march. i don't care about the airline. [system] what is your travel destination ? [user] i want to return in march 12th and i want to go to seattle, wa.
State: [state] departure_date=7th of march destination=seattle, wa origin=la seating_class=none return_date=march 12th passengers=none 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] departure_date=9th of this month destination=sf origin=seattle return_date=the 13th airlines=a of possible values a) delta airlines b) southwest airlines c) british airways d) american airlines e) air canada f) united airlines g) alaska airlines h) air france passengers=c of possible values a) 4 b) 2 c) 1 d) 3 seating_class=a of possible values a) economy b) premium economy c) first class d) business [context] [user] i am planning for a trip. i want to return on march 14th. [system] sounds good. when do you want to go ? and from which city do you want to travel? [user] i want to from la. i am planning to travel on 7th of march. i don't care about the airline. [system] what is your travel destination ? [user] i want to return in march 12th and i want to go to seattle, wa. [system] i found a flight by alaska airlines on 7:10 pm, and returning flight will be on 3:45 pm. the ticket prices are $153. [user] is it economy class ticket ? and is there any stops during the flight ?
State: [state] departure_date=7th of march destination=seattle, wa origin=la return_date=march 12th airlines=dontcare passengers=none seating_class=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] return_date=the 13th airlines=b of possible values a) air france b) delta airlines c) alaska airlines d) british airways e) united airlines f) southwest airlines g) american airlines h) air canada origin=seattle destination=sf seating_class=b of possible values a) business b) economy c) premium economy d) first class passengers=d of possible values a) 4 b) 2 c) 3 d) 1 departure_date=9th of this month [context] [user] i am planning for a trip. i want to return on march 14th. [system] sounds good. when do you want to go ? and from which city do you want to travel? [user] i want to from la. i am planning to travel on 7th of march. i don't care about the airline. [system] what is your travel destination ? [user] i want to return in march 12th and i want to go to seattle, wa. [system] i found a flight by alaska airlines on 7:10 pm, and returning flight will be on 3:45 pm. the ticket prices are $153. [user] is it economy class ticket ? and is there any stops during the flight ? [system] it is economy class ticket with 0 stops. [user] nice, i am looking for a one way flight.
State: [state] return_date=march 12th airlines=c origin=la destination=seattle, wa seating_class=none passengers=none departure_date=7th of march

[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 origin=seattle seating_class=d of possible values a) business b) premium economy 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 airlines=a of possible values a) delta airlines b) united airlines c) alaska airlines d) british airways e) american airlines f) southwest airlines g) air france h) air canada [context] [user] i am planning for a trip. i want to return on march 14th. [system] sounds good. when do you want to go ? and from which city do you want to travel? [user] i want to from la. i am planning to travel on 7th of march. i don't care about the airline. [system] what is your travel destination ? [user] i want to return in march 12th and i want to go to seattle, wa. [system] i found a flight by alaska airlines on 7:10 pm, and returning flight will be on 3:45 pm. the ticket prices are $153. [user] is it economy class ticket ? and is there any stops during the flight ? [system] it is economy class ticket with 0 stops. [user] nice, i am looking for a one way flight. [system] ok, here is 1 flight by alaska airlines on 7:10 pm with 0 stop and the price is $164 . [user] can you tell me origin airport ?
State: [state] destination=seattle, wa origin=la seating_class=none passengers=none departure_date=7th of march return_date=march 12th airlines=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] passengers=b of possible values a) 3 b) 1 c) 4 d) 2 airlines=g of possible values a) american airlines b) united airlines c) air france d) air canada e) southwest airlines f) alaska airlines g) delta airlines h) british airways origin=seattle destination=sf departure_date=9th of this month return_date=the 13th seating_class=c of possible values a) premium economy b) first class c) economy d) business [context] [user] i am planning for a trip. i want to return on march 14th. [system] sounds good. when do you want to go ? and from which city do you want to travel? [user] i want to from la. i am planning to travel on 7th of march. i don't care about the airline. [system] what is your travel destination ? [user] i want to return in march 12th and i want to go to seattle, wa. [system] i found a flight by alaska airlines on 7:10 pm, and returning flight will be on 3:45 pm. the ticket prices are $153. [user] is it economy class ticket ? and is there any stops during the flight ? [system] it is economy class ticket with 0 stops. [user] nice, i am looking for a one way flight. [system] ok, here is 1 flight by alaska airlines on 7:10 pm with 0 stop and the price is $164 . [user] can you tell me origin airport ? [system] the flight leaves from lax international airport. [user] is it economy or business seat ? and what is the arrival time in destination ?
State: [state] passengers=none airlines=f origin=la destination=seattle, wa departure_date=7th of march return_date=march 12th seating_class=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=a of possible values a) delta airlines b) southwest airlines c) alaska airlines d) united airlines e) air canada f) air france g) american airlines h) british airways origin=seattle return_date=the 13th departure_date=9th of this month passengers=d of possible values a) 3 b) 4 c) 2 d) 1 seating_class=d of possible values a) first class b) premium economy c) business d) economy [context] [user] i am planning for a trip. i want to return on march 14th. [system] sounds good. when do you want to go ? and from which city do you want to travel? [user] i want to from la. i am planning to travel on 7th of march. i don't care about the airline. [system] what is your travel destination ? [user] i want to return in march 12th and i want to go to seattle, wa. [system] i found a flight by alaska airlines on 7:10 pm, and returning flight will be on 3:45 pm. the ticket prices are $153. [user] is it economy class ticket ? and is there any stops during the flight ? [system] it is economy class ticket with 0 stops. [user] nice, i am looking for a one way flight. [system] ok, here is 1 flight by alaska airlines on 7:10 pm with 0 stop and the price is $164 . [user] can you tell me origin airport ? [system] the flight leaves from lax international airport. [user] is it economy or business seat ? and what is the arrival time in destination ? [system] the flight will arrive on 9:57 pm. and it is economy seat. [user] sound's great. that's what i need.
State: [state] destination=seattle, wa airlines=c origin=la return_date=march 12th departure_date=7th of march passengers=none seating_class=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] origin=seattle seating_class=a of possible values a) economy b) premium economy c) first class d) business departure_date=9th of this month return_date=the 13th passengers=a of possible values a) 1 b) 3 c) 2 d) 4 destination=sf airlines=b of possible values a) united airlines b) delta airlines c) air france d) british airways e) southwest airlines f) american airlines g) alaska airlines h) air canada [context] [user] i am planning for a trip. i want to return on march 14th. [system] sounds good. when do you want to go ? and from which city do you want to travel? [user] i want to from la. i am planning to travel on 7th of march. i don't care about the airline. [system] what is your travel destination ? [user] i want to return in march 12th and i want to go to seattle, wa. [system] i found a flight by alaska airlines on 7:10 pm, and returning flight will be on 3:45 pm. the ticket prices are $153. [user] is it economy class ticket ? and is there any stops during the flight ? [system] it is economy class ticket with 0 stops. [user] nice, i am looking for a one way flight. [system] ok, here is 1 flight by alaska airlines on 7:10 pm with 0 stop and the price is $164 . [user] can you tell me origin airport ? [system] the flight leaves from lax international airport. [user] is it economy or business seat ? and what is the arrival time in destination ? [system] the flight will arrive on 9:57 pm. and it is economy seat. [user] sound's great. that's what i need. [system] do you need something else ? [user] no, thank you.
State: [state] origin=la seating_class=none departure_date=7th of march return_date=march 12th passengers=none destination=seattle, wa airlines=g