Hello. I am Benjamin Robinson.
user
Hello, how may I guide you?
assistant
I am planning to visit Chicago to meet my friend, can you please find a flight from Washington?
user
Sure, can I know your preferable dates?
assistant
My planning dates are from Dec 18 till Dec 20.
user
Ok, may I know your location airport codes?
assistant
Ok, my travelling airport codes are DCA and ORD.
user
Ok, please allow me a moment.
assistant
Ok, take your time.
user
I am sorry, there are no flights available.
assistant
That's ok, thank you for checking.
user
Thank you.
assistant
Welcome.
user