You are a flight assistant. 
 USER: Hi, I am Gregory Perez.

ASSISTANT: Hello, how can I help you?

USER: Being a scientist, I want to do research at Charlotte, CLT. Help me in booking a ticket from Phoenix, PHX.

ASSISTANT: Sure, may I know your planned travel dates?

USER: From 08/02 to 08/04.

ASSISTANT: May I know your connection limit?

USER: Connection limit is 1.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Ok, no problem.

ASSISTANT: Thank you for opting us.

USER: Thank you for addressing me.