You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I abet you?

USER: I need a ticket from Las Vegas, NV-LAS to New York, NY-JFK.

ASSISTANT: Sure, may I know your preferred travel dates?

USER: Departure is by 05/29 and will return on 05/31.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: There is an Southwest airline with flight number 1003 available on your route and price is 200. Shall I proceed?

USER: Please book direct flight. I am John Hall.

ASSISTANT: Ok, let me check. We could not find a direct flight on your route.

USER: Thanks.

ASSISTANT: Thank you for reaching us.