You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you out?

USER: Will you please help me to book a flight from AUS to reach PHX?

ASSISTANT: Sure, we are happy to help you. Can I have your travelling dates?

USER: My journey dates are on May 14th to 16th.

ASSISTANT: Do you prefer any lay by in between journey?

USER: Yes.

ASSISTANT: Is there any other specifications for you?

USER: I prefer to travel in a Big Brand Airlines.

ASSISTANT: May I know your good name?

USER: Sure, my name is Richard Jackson.

ASSISTANT: Sorry, no flights are available on your journey routes.

USER: No issues, thank you.

ASSISTANT: Thank you for availing us.