Hi.
user
Hello, may I know how best I can help you today?
assistant
I am Dennis Miller. I am planning to travel from ORD to DCA, can you help in booking a flight?
user
Sure, can you please share your journey dates that you prefer to travel?
assistant
My travelling dates are 04/20 to 04/22.
user
Thank you for waiting, we are sorry to inform you that, there is no flights are available on your mentioned details.
assistant
That's ok, thank you.
user
Your welcome, have a nice day.
assistant