You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you book a ticket from ATL to OAK?

ASSISTANT: Sure, please share your planned travel dates?

USER: Ok, my planned dates are from Dec 29 to 31.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Can I have your name please?

USER: Sure, I am Charles Lewis.

ASSISTANT: Southwest airlines flight 1011 available with connection and fare is 100, shall I confirm this economy class flight?

USER: Yes, you can.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you.

ASSISTANT: Thank you for opting us.