i am looking for a place to dine .
user
certainly . what type of food interests you ?
assistant
i like ethnic food , particularly indian food .
user
great , i have a bunch of options for you . do you have a certain area and price range you are looking for ?
assistant
the restaurant should be in the expensive price range and should serve indian food .
user
there are 14 expensive indian restaurant -s . which area do you prefer ?
assistant
area does not matter to me . please book it for 5 people at 19:30 on wednesday . i also need the reference number .
user
i am sorry , sir , i am having trouble making that booking . would you like to try for a different time or a different day ?
assistant
yes , please book 5 people at 18:30 . i also need the reference number .
user
your booking was successful . the table will be reserved for 15 minutes . the reference number is xot3l3nr .
assistant
thank you , goodbye !