Hello.
user
Hello. How can I assist you?
assistant
Catherine Carter here. I want to travel from DCA to OAK for attending a seminar. Can you please help me for booking the flight ticket?
user
May I know your travelling dates?
assistant
My travelling dates are from 10/28 to 10/30.
user
Sorry, no flight found.
assistant
Anyway, thanks for the information.
user
Thank you for raechging us.
assistant