You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you?

USER: I need to travel from New York, NY-JFK to Las Vegas NV-LAS. So please help me to search a flight ticket?

ASSISTANT: Yes, I can help you. Please tell me your travelling dates?

USER: My travel dates are 12/05 and 12/07. I prefer with 0 connection.

ASSISTANT: Sorry, there are no flights available on your requested location.

USER: It's ok, no issues.

ASSISTANT: Can I know your name please?

USER: I am Andrew Thomas. Thank you for your help and valuable information.

ASSISTANT: Ok, you are welcome.