Hello.
user
Hello, how may I aid you?
assistant
I am Ruth Robinson. Can you help me to find a flight from DCA to LAX?
user
Sure, may I know your travel dates?
assistant
My travelling dates are June, 19 and June, 21.
user
Ok, please wait for a while.
assistant
Sure.
user
Sorry, there were no flights found on your route.
assistant
That's fine, thanks for your information anyways.
user
Thank you for reaching us.
assistant