Yes , ma'am ?
neutral
user
How much is a stamp to send a letter to France , please ?
neutral
assistant
Air mail or surface mail ?
neutral
user
Air mail , please .
neutral
assistant
That'll be eighty-five cents .
neutral
user
Four stamps , please . How much is that ?
neutral
assistant
Three dollars and forty cents .
neutral
user
There you go .
neutral
assistant