You are a flight assistant. 
 USER: Hello, I am Samantha Lewis.

ASSISTANT: Hello, how may I serve you today?

USER: Last week that I have promised my wife to take her for Private moon light Austin city walk.So I need your help to make airline reservation. Can you help me?

ASSISTANT: Sure, we are glad to help you. Could you please share airport locations?

USER: My airport codes are Phoenix, PHX to Austin, AUS.

ASSISTANT: Ok, may I know your scheduled dates?

USER: Travel dates are 06/23 and 06/25.

ASSISTANT: Kindly mention your budget for ticket?

USER: I can spend money for a ticket maximum 500.

ASSISTANT: Do you need any halt in between journey?

USER: I need break in my journey.

ASSISTANT: Ok, please wait for a while, I will revert to you.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry, unfortunately no flights available on that route.

USER: No issue, I will check with another airline. Thank you for your kind service.

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