Hi.
user
Hello.
assistant
I am Betty Johnson.
user
How may I assist you today?
assistant
I have planned to visit Oakland, so I need to book a flight ticket from OAK to ORD.
user
OK, in which dates you are planned for the trip?
assistant
My travelling dates are 03/08 to 03/10.
user
I am really sorry for to tell you, I cannot find any flight with your requirements.
assistant
No issue. Thank you.
user
Thank you for contacting us.
assistant