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

ASSISTANT: Hello, how can I assist you today?

USER: I need to book a ticket to meet my friend on 12/13 for visiting the Temples at New York.

ASSISTANT: Sure, may I know your source and destination codes?

USER: My source and destination is OAK and EWR.

ASSISTANT: May I know your return date?

USER: I intend to return on 12/15.

ASSISTANT: We are glad to say that, we found an airline: Spirit, flight number: 1011 with a single connection and price is 100.

USER: You can proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for booking a ticket.

ASSISTANT: Thank you for opting us.