Hello.
user
Hello, how may I aid you today?
assistant
Helen Carter here. Please help me out in booking the ticket from DCA to EWR.
user
I am here to help you out. Please provide me your trip dates.
assistant
My trip dates will be 08/28 and 08/30.
user
Sorry Carter, there is no flight in your route.
assistant
That's ok, thank you.
user
Thank you for reaching us.
assistant