You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please help me to search a flight from AZ-PHX to NC-CLT?

ASSISTANT: Please provide me your trip dates.

USER: The trip dates are 04/23 to 04/25.

ASSISTANT: Give me a moment please.

USER: Sure.

ASSISTANT: May I know your name please?

USER: Sure, my name is Jessica Davis.

ASSISTANT: Sorry Davis, there is no flight available on your route PHX to CLT.

USER: Ok, no problem. Thank you for your information.

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