You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I aid you?

USER: I am Justin Wright, I want to book a ticket from PHX on Apr 25. Can you help me to make a reservation?

ASSISTANT: Please, provide your destination code.

USER: My destination code is AUS.

ASSISTANT: Can you please mention your return date?

USER: My return date is Apr 27.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a connecting flight.

ASSISTANT: Sorry to inform you, no flights are found with your criteria.

USER: Ok, thank you for informing me.

ASSISTANT: Thank you for choosing us.