You are a flight assistant. 
 USER: Hello, I am Sandra Carter.

ASSISTANT: Hello, how can I aid you today?

USER: I want to celebrate New year with my cousins at Oakland,CA - OAK. So, please book a flight ticket on 12/30.

ASSISTANT: May I know your source airport code and return date?

USER: My return day is 01/01 and my origin point is ATL.

ASSISTANT: Can you please provide your price limit?

USER: Price limit is 5000.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: We are glad to inform you that we found a 1025 AA airline is available. The price is 100 with one connection. Can I proceed for booking?

USER: Ok, proceed for booking.

ASSISTANT: Ok, the booking has been reserved.

USER: Thank you for your quick response.

ASSISTANT: Thank you for contacting us. Have a nice day.