Hello.
user
Hello. How can I assist you today?
assistant
Can you  please book a flight ticket from ORD to OAK?
user
Sure, wioll you mention your travelling dates please?
assistant
Thank you. I have  planned my travel  dates as Jan 19 and Jan 21.
user
Do you have any preferences about flight connections?
assistant
I am looking for direct flight so please check with that.
user
Do you have any preferences about class?
assistant
No, I do not have any other specifications.
user
Please mention your name.
assistant
Sure, myself Barbara Wilson.
user
There is no flights found under your preferable details.
assistant
Oh! It is sad to hear. Anyway, thank you for your time.
user
Welcome, have a great day.
assistant