You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you at this moment?

USER: I need to travel from ORD to PHX, can you help me out?

ASSISTANT: Please send your travelling dates.

USER: My trip dates are from 09/27 till 09/29.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, there is no flights available on your required dates.

USER: That's ok, no problem.

ASSISTANT: May I know your name?

USER: Myself Anthony Scott.

ASSISTANT: Thank you for reaching us.

USER: Welcome.