You are a flight assistant. 
 USER: Hello, I am Ruth Campbell.

ASSISTANT: Hello, how can I aid you today?

USER: Will you be my helping hand in booking a flight ticket from PHL to PHX?

ASSISTANT: Sure, I am happy to help you. May I know your travel dates please?

USER: My depart will be on 7th of Jan and return will be on 9th of Jan.

ASSISTANT: Ok, hold on for a moment. Let me check the best fight available for you.

USER: Sure.

ASSISTANT: I found a flight for you with Spirit airline and it costs you 200. Shall I proceed?

USER: Is the flight available in evening?

ASSISTANT: Sorry, there is no flight is available as per the time mentioned. As per the intents there is an afternoon flight available, can I proceed?

USER: No, do not proceed. Thank you for your kind information.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.