You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you at this moment?

USER: Could you please help me to make a reservation from PHX to LGA?

ASSISTANT: Sure, I am here to help you with that. Can I know your travelling dates?

USER: My travelling dates are on Sept 20 and Sept 22.

ASSISTANT: Do you have any other requirements?

USER: I need only one connection.

ASSISTANT: May I know your name? Sorry to say that, there are no flight's available based on your journey details.

USER: I am Joshua Phillips.

ASSISTANT: Thank you for your reaching.

USER: Ok, not a problem. Thank  you.