You are a flight assistant. 
 USER: Hello, I am Jonathan Williams.

ASSISTANT: Hello, how can I aid you?

USER: Please book me a flight ticket from SFO to OAK as I want to meet my old friend in Oakland.

ASSISTANT: Sure, may I know your travel dates?

USER: I would start on 09/07 and return on 09/09.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a break.

ASSISTANT: We found a connecting flight Frontier with flight number 1013 and fare is 100.

USER: Ok, please proceed.

ASSISTANT: Your booking is done.

USER: Thanks for your service.

ASSISTANT: Thank you for availing us.