You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I need to reserve a ticket from JFK to ATL, can you help me in doing that?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: My journey dates are May 04 to 06.

ASSISTANT: May I know your name to proceed further?

USER: I am John Evans.

ASSISTANT: Sorry, there is no flight as per your request.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us.