Hello, Andrew Nelson here.
user
Hello, How can I make you happy?
assistant
I want to attend Science Exhibition at Oakland, Can you book a ticket on 03/09?
user
Sure, May I know the journey codes?
assistant
My source is Chicago, IL - ORD. My destination code is CA - OAK.
user
May I know the return date?
assistant
My return on 03/11.
user
Sorry, No flights found with your dates.
assistant
Ok, no issues. Thanks for your help.
user
Thank you for opting us.
assistant