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

ASSISTANT: Hello, how may I help you today?

USER: I would like to attend a event in New York, can you please reserve a flight ticket from LAS to JFK?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your travelling dates?

USER: My journey start on Mar 24th and return back on Mar 26th.

ASSISTANT: Do you have any preferences?

USER: I need a connection in between journey. Price should not cross 200.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Sorry, We could not provide you the flights at this moment, due to the run way problem at your destination airport.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for opting us.