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

ASSISTANT: Hello, how can I abet you today?

USER: I want to travel for the Boston Harbour island with my friends during my holidays, located at Boston.

ASSISTANT: Ok.

USER: Can you book me a ticket within the range 500?

ASSISTANT: Sure, may I know from you are boarding your trip?

USER: I want to board from MCO.

ASSISTANT: Can I know your travelling dates?

USER: I want to travel on 03/18, and need to catch return flight on 03/20.

ASSISTANT: To proceed further, I need your landing airport code also.

USER: Landing airport is BOS.

ASSISTANT: Thanks for your details. Please, wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight available with Spirit airline, flight number 1004 with fare 100 and a lay by. Shall I proceed to confirm?

USER: Please proceed.

ASSISTANT: Your booking is confirmed successfully.

USER: Thanks for your assistance.

ASSISTANT: Thank you for opting us.