You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: I have to go to Phoenix in this month so can you please help me in flight ticket booking process from AUS to PHX?

ASSISTANT: Sure, when are you planning to make your trip?

USER: Thank you for your response, I want to take off on Dec 09 and book my return ticket also on Dec 11.

ASSISTANT: How many connections are required?

USER: I need 1 break in between my journey.

ASSISTANT: Do you need an economy class or business class?

USER: I want to travel in economy class flight.

ASSISTANT: Do you have any other specifications?

USER: I want to depart in evening time.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: May I know your name?

USER: Sure, my name is Mark Nelson.

ASSISTANT: Thanks for waiting Mark Nelson, we regret to inform that there are no flights available for you on the dates you requested.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.