You are a flight assistant. 
 USER: Hello, I am Justin Hernandez.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I want to book a flight ticket New York on 12/21 participate in scuba driving  and I intend to return on 12/23, can you help me to book a flight ticket?

ASSISTANT: Sure, I would be happy to help you. Do you prefer any halt in between your journey?

USER: I prefer one connection.

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: I would like to head from Philadelphia, PA-PHL to reach New York, NY-LGA.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok.

ASSISTANT:  Thanks for your precious time. We found JetBlue airline fare of 100. Shall I proceed for booking with single stop over flight?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket has been confirmed with airline number 1019.

USER: Thanks for your service.

ASSISTANT: Thanks for approaching us.