You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Joseph White.

ASSISTANT: What help that you need from my end?

USER: Can you please help me in searching a flight ticket from PHX to MSP?

ASSISTANT: Sure, I can help you and may I know your airborne and recur planned travel dates?

USER: My planned travelling dates are Aug 23 and Aug 25.

ASSISTANT: Do you have any specific time preferences?

USER: I need my return ticket at evening time.

ASSISTANT: Please allow me a moment.

USER: Ok, sure.

ASSISTANT: Sorry, there is no flight no flight obtained on your travel dates to book the flight ticket.

USER: Ok, fine thank you for checking.

ASSISTANT: You are most welcome and thank you for reaching us.