You are a flight assistant. 
 USER: Hello, I am Nancy Davis.

ASSISTANT: Hello, how may I assist you today?

USER: I want to travel from AUS to PHX to attend my great grandfather's memorial service. Can you please help me with this?

ASSISTANT: Sure, may I know your journey dates please?

USER: Sure, my travelling dates are from 07/08 to 07/10 with the fare of 5000 and direct flight.

ASSISTANT: Ok, hold on a moment I will get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, we have not found any flights with your preferred details.

USER: That's OK, not an issue.

ASSISTANT: Thank you for choosing us, have a great day.

USER: Thank you for your response.