Hello.
user
Hello. How can I assist you?
assistant
My name is Robert Brown. I would like to visit Washington to attend a cultural event so please help me with flight ticket booking.
user
Sure Brown, I am here to help you, can you help me with your travelling dates?
assistant
I will start my journey on 10/19 and my return will be on 10/21.
user
Ok, may I know your airport codes?
assistant
My airport codes are from EWR to DCA.
user
Ok, give me a moment.
assistant
Ok.
user
Sorry Brown, there is no flight is available for you.
assistant
It's ok, thank you.
user
Sorry for inconvenience. Thank you for choosing us.
assistant
Thank you for your concern.
user