You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Joseph King. I need a flight from AUS to PHX, can you help me out please?

ASSISTANT: Sure, please share your travel dates.

USER: My desired travel dates 02/26 till 02/28.

ASSISTANT: Sorry, no flights available at this moment.

USER: That's ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.