Hello.
user
Hello. Can I know your name?
assistant
My name is Kathleen Harris.
user
How may I aid you?
assistant
I'm planning to visit Museum of Science and Industry which is located in Chicago, so I am searching for a flight from OAK to ORD.
user
Ok, can I know your preferable dates of travel?
assistant
My preferable dates are from 11/22 to 11/24.
user
Please hold on for a moment, let me check.
assistant
Ok, please check.
user
I am sorry to inform you that there are no flights matching with your given details.
assistant
That's so sad to hear. Thank you for your valuable time.
user
Thank you, have a good day.
assistant