You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Ronald Lewis. Can you help me in booking from JFK to LAX?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My planned dates are from Nov 30 to Dec 2.

ASSISTANT: Do you have any specifications?

USER: I want to travel in business class. I need a halt in my journey.

ASSISTANT: Ronald Lewis, no flights has been found on your planned travel dates.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for approaching us.