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

ASSISTANT: Hello, how can I assist you?

USER: I would like to visit Alcatraz Island at San Francisco. Can please book me a flight ticket from Washington?

ASSISTANT: Sure, may I know your price limit?

USER: 1000 is my price limit.

ASSISTANT: May I know your starting journey date, return journey date?

USER: My starting date is 11/19 and return date is 11/21.

ASSISTANT: May I know your source and destination?

USER: Source is DC - DCA and destination is CA - SFO.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a JetBlue airline, flight number: 1004, price: 200 with one connection.

USER: Please proceed for booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for booking my ticket.

ASSISTANT: Thanks for choosing us.