Hi, I am Andrew Hill.
user
Hello Andrew Hill. How can I support you?
assistant
I need to go to Oakland,  CA-OAK to attend a board meeting on 12/26, Can you help me to book a flight ticket from EWR?
user
Sure, we are here to help you for booking. Can you please provide your origin date?
assistant
I intent to return on 12/28.
user
Thanks for providing information, wait for a while.
assistant
Sure.
user
Sorry for inconvenience, the flights are not found according to your schedule.
assistant
Ok, Thank you.
user