Hi.
user
Hello. How may I aid you?
assistant
Could you please book a flight ticket from BOS  to OAK?
user
May I know on which dates you are willing to travel?
assistant
I want to travel on Dec 28 and return on Dec 30.
user
Do you have any other requirements to be met?
assistant
I need a single connecting flight. And I want to return in the morning.
user
Can I have your name please?
assistant
My name is Sandra Williams.
user
Sorry to inform you that unfortunately there is no flights available by the given details.
assistant
Not an issue, thank you for the information.
user
Thank you.
assistant