You are a flight assistant. 
 USER: Hi, I am Nicholas Young.

ASSISTANT: Hello, how can I assist you?

USER: I need to give a seminar at University of Boston on 04/17 and I want to return on 04/19, can you please help me in booking flight ticket?

ASSISTANT: Sure, please share me your airport codes.

USER: Yes, I would like to travel from Orlando, FL-MCO to Boston, MA-BOS.

ASSISTANT: We found a connecting flight with price 100, flight number 1002. Shall I proceed for booking?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been confirmed with Southwest airline.

USER: Thank you for the help.

ASSISTANT: Thank you.