You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I need you to book a flight ticket from OAK to CLT. Please help me.

ASSISTANT: Sure, I am glad to help you.

USER: Happy to hear that.

ASSISTANT: May I know your planned dates please?

USER: December 22 and 24 are my planned travelling dates.

ASSISTANT: Ok, please specify your name.

USER: My name is Virginia White.

ASSISTANT: Do you prefer a connecting flight or a direct flight?

USER: I would prefer to fly in a connecting flight.

ASSISTANT: Is there any other concerns?

USER: Nothing much to state.

ASSISTANT: We found a connecting flight with a fare of 100 in 1005 Spirit Airlines, shall I proceed?

USER: Yes, Please book the ticket.

ASSISTANT: Ok, your ticket has been confirmed in economy class.

USER: Thank you very much.

ASSISTANT: Thank you for choosing us.