You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Larry Clark from NY- EWR.

ASSISTANT: Larry, how can I assist you?

USER: Please check flights to PHX from my location to attend my cousin's birthday party.

ASSISTANT: May I know your source airport code?

USER: My travelling dates are from 04/14 to 04/16.

ASSISTANT: Sorry, no flights found.

USER: It's ok, I will plan on other days and reach you again.

ASSISTANT: Thank you for contacting us.