Good afternoon , madam . Is there anything I can do for you ?
neutral
user
Yes , I spent so much time sightseeing here . It is already so late now . I am afraid I can't catch the last bus back to downtown .
neutral
assistant
Don't worry . I will try to get a taxi for you . You can take it to the bus station .
happiness
user
I am very grateful to your help .
happiness
assistant
Don't mention it . It is my duty .
happiness
user
Thanks again .
happiness
assistant