Hello, Kevin Lee here.
user
Hello, how may I help you?
assistant
I have a concert to attend at Washington. Can you help me in booking a ticket from OAK to IAD?
user
Sure, when are you planning your journey?
assistant
My desired journey dates are 02/17 and 02/19.
user
Please wait a moment.
assistant
Sure.
user
Kevin, no flights has been found on your journey dates.
assistant
Its ok, thank you for the information.
user
Thank you for choosing us.
assistant