You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: I am Thomas Nelson, I want to book a flight to New York to visit World Mobile Congress, Can you book a flight with single connection?

ASSISTANT: Sure, may I know your travelling dates?

USER: I will fly on 02/21 and return on 02/23.

ASSISTANT: How much you can afford for ticket?

USER: My budget is 500 for flight ticket.

ASSISTANT: Can I know your source and destination?

USER: My source point is Orlando, FL-MCO and destination is NY-JFK.

ASSISTANT: Please hold on a minute.

USER: Sure.

ASSISTANT: We found a flight of UA airline, flight number as 1008 with the fare of 100.

USER: Please proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.