You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Please book me a ticket from OAK to JFK to meet my family.

ASSISTANT: Sure, we are here to help you. Please provide your planned trip dates.

USER: I have planned to travel on Oct 04th and return on Oct 06th.

ASSISTANT: Do you have any connection limit?

USER: I prefer one connection limit.

ASSISTANT: May I know your class preference?

USER: I like business class.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: On which name would you like me to book the flight?

USER: Myself Betty Harris.

ASSISTANT: Thanks for providing details, no flights are available on your desired routes.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for opting us.