You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Myself Mark Allen. I am looking for a flight LAS to JFK, can you help me in booking the flight ticket?

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

USER: My travel dates are 03/15 and 03/17.

ASSISTANT: Here is a direct flight with your travel dates.

USER: Can you check for the connecting flight?

ASSISTANT: Sorry Mark Allen, there is no flight with your travel dates.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Ok, thank you for reaching us.