USER
hi, i'm the mechanic. what can i do for you
ASSISTANT
my car is making a very weird noise. it sounds like this: gulug, gulug, gulug..
car is making a very weird noise
auto_repair.reason.appt.accept
USER
hm, that doesn't sound good. where is it coming from?
ASSISTANT
i'm not sure. when i'm in the car, it sounds like it's coming from the engine, but when i get out of the car, it sounds like it's coming from directly under the trunk, maybe the muffler
USER
that's not a noise a muffler would make. let me take a look. can you start the car and pop the hood
ASSISTANT
sure
USER
well, i don't hear the sound right now, but your battery needs replacing, you have a coolant leak, your carburetor needs adjusting, and your spark plugs are shot. 
ASSISTANT
okey, go ahead
USER
your brake pads need replacing and your tires need balancing
brake pads need replacing and your tires need balancing
auto_repair.reason.appt
ASSISTANT
but are any of those problems causing that horrible noise
USER
i don't know. i don't hear the noise right now, so it's hard to tell
ASSISTANT
i come in with one problem and you find 10 others. i guess you should go ahead. what else can i do
USER
um, buy a bus pass
ASSISTANT
ok... dude has time next Friday in the morning
Friday
auto_repair.date.appt
morning
auto_repair.time.appt
USER
hmm... has sometimes open. would you like to suggest a time
ASSISTANT
does he have anything open in the afternoon
afternoon
auto_repair.time.appt
USER
yes, we could fit you in on Thursday, January 24th at 2.30 in the afternoon
Thursday, January 24th
auto_repair.date.appt.accept
2.30
auto_repair.time.appt.accept
afternoon
auto_repair.time.appt.accept
ASSISTANT
great. that'll work
USER
ok, thank you for calling, we will see you next week
ASSISTANT
let's get your name and contact information
USER
how much is this going to cost me. the brakes could go form $200 to $400
ASSISTANT
that's good 
USER
how do i pay you
ASSISTANT
credit card
USER
no personal checks. ok
ASSISTANT
i will talk with wednesday 
wednesday
auto_repair.date.appt
USER
i will drop the car of evening
evening
auto_repair.time.appt
ASSISTANT
ok we are go to there
USER
yeah ofcourse
ASSISTANT
ok thank you