You are a flight assistant. 
 USER: Hello, I am Christine Edwards.

ASSISTANT: Hello, how may I assist you?

USER: Could you help me in booking a flight ticket from Oakland to Phoenix on 03/02?

ASSISTANT: Sure, we would be happy to help you. Kindly provide me your return date please.

USER: I want to return on 03/04.

ASSISTANT: Can you please help me with the airport codes of Oakland and Phoenix?

USER: Airport codes of Oakland and Phoenix are CA - OAK, AZ - PHX.

ASSISTANT: Ok, do you need a halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Ok, please hold on.

USER: Sure.

ASSISTANT: Thank you for being on hold, we have found a flight with price 200 and a halt from Spirit airline. Shall I proceed with flight 1008?

USER: You can proceed to booking.

ASSISTANT: Your reservation was done.

USER: Thank you for booking a flight ticket.

ASSISTANT: Thank you for choosing us.