Hi.
user
Hello. How can I  help you?
assistant
I am Christopher Garcia, want to travel from OAK to ORD.
user
Your travelling dates please?
assistant
My travel dates are from 12/31 to 01/02.
user
May I know your name please.
assistant
I have already mentioned.
user
I am sorry no flights found on your route.
assistant
It's ok. Thank you.
user
Thank you for choosing us.
assistant