[PAD]
[UNK]
[CLS]
[SEP]
[MASK]
'
,
.
0
1
2
3
4
5
6
7
8
9
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
##i
##r
##s
##t
##7
##0
##5
##o
##u
##n
##y
##e
##d
##4
##p
##v
##a
##2
##l
##k
##f
##g
##m
##h
##c
##x
##w
##1
##6
##9
##3
##q
##8
##b
##z
##he
##an
the
##at
##nd
##es
fr
and
##on
##li
to
##hat
##or
##ir
##gh
what
##om
from
##er
##ow
air
##st
##ght
fli
flight
##re
##as
##al
##en
is
##in
##it
##ort
me
in
on
of
##port
##ou
##lan
##ic
##ing
al
##ion
##ost
##est
flights
fa
##anc
bost
boston
##las
##le
airport
how
at
##ta
##so
also
##co
sh
show
then
##im
san
##lin
##et
##is
are
airlin
##ve
do
franc
##isco
francisco
##hi
##el
##ap
##la
##ur
##ation
##ver
fare
den
denver
airlines
##lanta
atlanta
##ay
##sb
##sbur
##ar
does
li
pit
##tsbur
pittsbur
pittsburgh
tr
##ent
##ound
##own
##ase
dal
dallas
##mb
man
many
cit
##ore
##ly
ser
##ric
for
##ft
##mber
##ans
che
##ke
cheap
cheapest
##ed
##tion
##round
##een
##alt
bet
##ween
between
##land
clas
trans
class
transport
ground
##ash
##elp
se
nu
phi
##delp
##hia
##ladelp
number
philadelp
philadelphia
##ea
list
transportation
meal
rest
##riction
restriction
fly
##ton
wash
##ington
washington
balt
##imore
baltimore
##ern
all
lea
that
co
serv
ne
##cr
fir
first
us
##aft
aircr
aircraft
##ental
ple
please
tim
##ac
##op
can
ty
##ave
typ
int
##ies
##hic
servic
down
##town
downtown
##ont
have
##ai
there
am
cities
ap
whic
which
dat
##ab
datab
database
##ble
far
service
city
av
##lable
##ailable
available
##ving
seat
it
st
airports
##sin
##day
##ld
by
cod
##ak
cost
oak
##ational
##ernational
international
oakland
del
delta
##che
like
##ould
go
code
new
##ive
car
get
lim
type
di
wit
with
##ousin
limousin
##eric
americ
or
limousine
american
an
meals
be
##ake
cap
##acit
capacit
##ch
leaving
##ind
would
##orth
##am
way
time
ar
rental
airline
##oon
capacity
serve
arr
you
##nday
one
##ne
##enth
fort
worth
##ontin
##oli
##apoli
##apolis
yor
##lane
york
##ian
mean
served
##ontinental
pm
mu
much
##stanc
distanc
distance
##ong
##orn
sche
##ule
##dule
schedule
continental
##fore
before
dc
lo
un
##ited
united
fares
tw
seating
##ip
trip
long
aft
min
times
##il
##lando
orlando
morn
morning
restrictions
numbers
##57
##xp
exp
round
ju
arri
ap57
10
th
mo
monday
kind
de
##ell
tell
used
take
ear
##ront
toront
toronto
##esday
stop
pric
##ia
sev
bo
noon
pe
##ad
nam
ea
##neapolis
minneapolis
types
seventh
whe
earli
canad
canadian
73
##ves
##80
give
##ess
##art
##part
depart
##rs
plane
##lo
##lla
airp
dolla
dollars
##stern
eastern
##au
##fa
july
where
twent
la
##ople
people
op
airfa
airfare
##lanes
##eg
##sive
##ensive
after
expensive
leave
##for
infor
##ard
inform
bw
bwi
name
col
hou
earliest
cle
##veland
cleveland
information
rat
##10
twenty
##ight
lake
salt
mco
going
rates
tic
##ket
ticket
##us
##umb
columb
columbus
##th
##ix
##ston
houston
12
ap80
au
##ust
##gust
august
arriving
seats
##ach
mil
41
price
bu
##gel
angel
los
angeles
mi
##tions
airplane
##52
416
852
ab
flies
into
any
fit
my
need
options
clo
find
##wau
##kee
milwau
milwaukee
wan
##ernoon
afternoon
want
wed
##nesday
wednesday
210
##te
##28
goes
f28
ind
##ianapolis
indianapolis
gu
flying
##ardia
guardia
planes
leaves
##and
kn
##siness
business
know
##ark
newark
stand
uses
##eter
tu
tuesday
##ers
today
##ll
twa
kans
##ro
than
kansas
gen
mit
##eral
##chell
general
mitchell
may
##eing
boeing
pas
##sen
##gers
passen
passengers
##eenth
non
##stop
least
nonstop
peter
##xt
##sburg
next
petersburg
##tle
seattle
serves
tac
##oma
100
tacoma
su
no
##orr
##morr
tomorr
tomorrow
arrives
six
72
##urb
prices
sunday
72s
##out
nation
##air
nationair
##ck
june
clock
via
##tal
total
could
both
about
night
##vi
##west
##her
around
use
each
we
sm
##lest
##allest
smallest
has
##ther
ev
##ening
evening
##ure
##ek
##ami
departure
miami
week
nash
##vil
nashvil
nashville
122
ret
##urn
return
other
##cat
locat
bea
located
beach
det
ua
##73
##roit
detroit
27
ch
dieg
diego
lat
nin
##rop
##ax
arrive
char
low
tax
##vember
november
lowest
taxi
ohi
listing
ohio
try
13
costs
##tte
##lotte
charlotte
west
##se
##iday
##fer
friday
tam
turb
##ota
##nes
##pa
##38
coach
##oprop
minnes
tampa
turboprop
minnesota
dl
57
ph
trying
##lain
explain
##7338
279
137338
##ty
##oun
##oen
phoen
phoenix
pau
paul
##ster
##chester
cars
westchester
coun
mid
county
day
fi
airplanes
##ri
##ok
stops
1220
d9
d9s
##gan
##ce
logan
m80
##sday
##ursday
thursday
##over
##68
##ill
oper
las
veg
vegas
stopover
names
73s
operation
ho
hold
as
qx
734
76
chic
##ag
733
767
chicag
chicago
ec
##onom
econom
economy
##bre
737
abbre
##viation
abbreviation
will
##ut
out
capacities
hp
reg
var
##iou
##rou
##ose
throu
earlier
##arding
latest
regarding
variou
through
various
ew
ewr
##17
##inn
classes
1000
sat
##55
##urday
##oking
saturday
##ress
ap68
carri
express
midwest
carried
##pte
septe
codes
september
jose
trave
within
1017
mont
zon
##real
near
montreal
zone
##sest
closest
eight
most
##iet
##ieth
lest
less
yn
##son
##arson
pearson
lester
serviced
departing
con
##nec
dece
connec
december
north
##ffer
differ
##ome
##eteenth
nineteenth
early
fift
qo
northwest
booking
qw
##ine
##val
arrival
ninth
755
##ping
stopping
pro
rent
##vid
provid
des
tickets
right
##65
dai
daily
lou
your
thir
louis
28
281
kinds
twentieth
##cond
second
df
ff
ok
offer
dfw
okay
re
fou
##ph
##mph
##30
memph
different
four
memphis
now
see
fifteenth
dinn
when
dinner
und
##ib
##crib
describ
under
describe
##fth
days
travel
burb
cp
##ct
##ank
##ating
inter
burbank
17
fourth
##eld
fn
tow
dc10
love
sundays
field
1765
come
ca
##forn
##liforn
##ling
traveling
californ
california
cin
if
##cinn
##ati
but
eighteenth
provided
cincinn
cincinnati
lu
sa
sevent
1222
only
meaning
late
rep
19
82
aa
##um
##imum
miles
tower
80
##ain
##continental
##ansa
##ack
minimum
connection
##fthansa
intercontinental
lufthansa
seventeenth
199
ll
some
##ig
##11
these
last
stands
21
##59
##fine
##ime
define
weekday
459
connect
32
##ril
april
repe
dis
dur
j3
nw
som
##pla
##etime
using
services
arrivals
repeating
displa
during
j31
sometime
display
this
825
dh
##tieth
##00
##way
##15
##ence
midway
difference
thirtieth
320
dh8
555
deter
tenth
##teen
##mine
sixteen
determine
630
bel
gre
atl
area
##teenth
belong
great
315
sam
looking
sixth
abbreviations
third
greatest
530
811
com
dir
lar
oct
##ob
##ect
##gest
rentals
120
fifth
direct
largest
octob
october
ag
let
more
##50
1991
again
contin
##uing
ord
1209
continuing
468
950
ac
sn
##iz
##ona
##orad
limo
ariz
colorad
snack
arizona
colorado
673
665
bound
ls
sta
##pan
##ge
##ange
they
orig
arrange
same
compan
snacks
origin
companies
757
bh
po
sd
##id
##ible
##ss
##ate
sixteenth
eighth
provides
poss
possible
38
back
##ment
thri
weekdays
arrangement
originating
382
thrift
arrangements
ia
##nate
serving
twel
connections
desig
iah
designate
bes
bre
help
##uar
train
##akfa
america
book
##ides
twelfth
besides
breakfa
##uary
breakfast
200
55
bn
ever
jet
##ested
##ures
limousines
departures
270
interested
bna
hi
yy
##vad
nevad
106
kindly
sure
yyz
nevada
37
34
d10
fe
fine
make
prop
well
##ruary
##other
##24
##bruary
still
another
two
419
3724
february
proper
29
71
cal
ten
too
off
##led
cover
look
nights
later
called
20
ge
l10
##olin
##ness
##ee
##ple
##gia
##91
##39
##orgia
##ree
onta
grounds
##aking
carolin
1039
those
three
hours
rate
1291
415
buy
tuesdays
##rio
provide
town
connecting
staple
tenness
georgia
ontario
carolina
stapleton
tennessee
11
40
jers
lg
sy
te
##res
##ol
##ey
##far
##xas
airfar
should
##ented
##mbol
without
be1
returning
139
repres
296
offers
jersey
lga
symbol
texas
airfares
represented
symbols
217
74
98
928
bur
eit
ele
ha
jf
land
mia
res
sort
sing
##of
##ying
##vation
##venth
##ges
##ervation
once
live
dc9
takeof
lax
charges
thirty
1993
212
staying
345
747
either
eleventh
jfk
reservation
single
takeoff
33
311
84
838
ad
cv
el
taking
ve
wh
##rt
##tis
##od
##nch
##ginn
##bod
##ination
##vertis
##ead
amoun
got
beginn
scheduled
just
wants
wednesdays
271
phl
fourteenth
lunch
1994
somebod
start
343
201
l1011
402
having
3357
advertis
cvg
else
who
amount
beginning
somebody
advertises
300
400
77
du
dest
fl
head
jan
lay
mc
mar
making
so
sf
sb
sou
whi
##orid
##ortest
##ings
shortest
##akes
dca
priced
##thwest
##lles
thank
saturdays
thirteenth
seventeen
1992
coming
landings
takeoffs
842
771
dulles
destination
florid
heading
january
mci
march
sfo
southwest
while
florida
111
150
257
230
352
430
81
815
act
over
takes
wis
yes
##rai
##58
##oic
##ual
##uest
##night
##45
##whe
##quest
listed
##ontime
ap58
strai
trips
mornings
1055
1245
not
noontime
723
choic
1300
midnight
operating
stopovers
request
1700
lastest
324
directly
originate
297
1110
405
starting
layover
1115
813
actual
wish
##where
straight
choices
requesting
actually
09
15
110
26
30
44
42
43
60
615
93
able
cat
dt
don
ey
fo
her
hart
hig
kw
le
mic
mis
max
makes
plan
pla
put
red
sp
sound
soon
sorr
ton
up
uta
ver
vic
##ield
##ries
##sou
##time
##53
##ywhere
##end
##exp
##pro
##ka
##field
##mm
##xim
##33
##83
##bination
##hest
their
##atel
##owing
##stead
##aska
##init
inexp
instead
along
alaska
##vel
##higan
appro
carries
gets
must
longest
1059
1083
seven
canada
1230
417
anywhere
india
##llowing
such
summ
720
locate
listings
130
thursdays
dinnertime
travels
823
2153
connects
329
repeat
combination
1205
1201
twelve
everywhere
718
1133
hare
845
laying
1505
0900
1500
269
305
4400
420
608
932
catch
dtw
eye
following
here
hartfield
highest
level
michigan
missou
maximum
place
spend
sounds
sorry
tonight
utah
very
vicinit
##ximatel
inexpensive
approximatel
summer
missouri
vicinity
approximately