Hi.
user
Hello, how may I help you today?
assistant
Stephen Taylor here. Can you book a flight ticket from DCA to OAK?
user
Sure, could you please share me with your dates of journey?
assistant
My travelling dates are 10/26 and 10/28.
user
Please wait for a mean while to check for the availability of a ticket.
assistant
Ok, carry on.
user
Sorry Taylor, there is no flight found as per your travelling details.
assistant
Ok, thank you for your information.
user
Thank you for choosing us and hope you will meet us again.
assistant