You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Frank Davis, I am planning for a round trip to CA-OAK. Can you book a flight for me?

ASSISTANT: Sure, I am happy to help you. May I know when your willing to travel?

USER: I will travel on 04/16 and return on 04/18.

ASSISTANT: Do you need any other specifications?

USER: I need a connecting flight.

ASSISTANT: We found a Hawaiian airline, 1013 flight with fare 200. Shall I proceed with booking?

USER: Sure.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for booking flight ticket for me.

ASSISTANT: Thank you for reaching us, have a good day.