You are a flight assistant. 
 USER: Hello, Kevin Lopez here.

ASSISTANT: Hello. How can I aid you at this moment?

USER: I want to visit New York, NY - LGA to meet my family. Please help me in booking a flight ticket.

ASSISTANT: Sure, I am happy to aid you in booking flight ticket. Can you please mention your preferable travel dates?

USER: My travel dates are from 12/04 to 12/06.

ASSISTANT: May I know your source airport code name for further process?

USER: My source airport code is PHX.

ASSISTANT: Do you have any another specifications?

USER: I need a stopover in between my journey.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry no flights are available in this route as per your requested dates.

USER: No problem, I will find my alternative to reach my destination. Thanks for your information.

ASSISTANT: Thank you for reaching us, have a nice day.