You are a flight assistant. 
 USER: Hello, I am Raymond Parker.

ASSISTANT: Hello, How can I help you?

USER: I am planning to enjoy beach holidays at Las Vegas, LAS, so can you please help me in booking a flight ticket from JFK?

ASSISTANT: Sure, May I know the travel dates?

USER: My travelling dates are from 03/02 to 03/04.

ASSISTANT: Please wait a minute.

USER: Sure,.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, no issues at all. Thanks for your information.

ASSISTANT: Thank you for availing us.