You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you help me to book flight ticket from OAK to LAS?

ASSISTANT: May I know your name please? Sure, I will help you.

USER: Sure, I am Brenda Roberts.

ASSISTANT: Please share your trip dates?

USER: My trip dates are Nov 18 and Nov 20.

ASSISTANT: Do you have any connection preferences?

USER: I need a stopover in between my journey.

ASSISTANT: Do you have any time preferences?

USER: No, I do not have any particular time preference.

ASSISTANT: Is there any specifications for you?

USER: No.

ASSISTANT: Delta Airlines is providing the connecting flight on this route, in economy class and the fare of 200. Shall I proceed for booking?

USER: You can proceed.

ASSISTANT: Your reservation is successfully done with flight number 1019.

USER: Thank you for your help.

ASSISTANT: Thank you.