You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: As I am an actor, I want to attend Film festival at Austin, AUS. Can you please book a ticket from PHX?

ASSISTANT: Sure, we are glad to help you. On whose name, you want to book the ticket?

USER: I am William Wright.

ASSISTANT: Ok, please share your planned dates.

USER: My travelling dates are Mar 2 and Mar 4.

ASSISTANT: Is there any other concerns?

USER: I prefer business class.

ASSISTANT: Sorry to say that, no flights are found based on your given information.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for availing us.