You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you at this moment?

USER: I am Kathleen Scott, want to travel from PHX to EWR. Please help me in booking my ticket.

ASSISTANT: Sure, I am glad to help you with that. Could send me your travelling dates?

USER: Sure, my travelling dates are from 06/05 to 06/07.

ASSISTANT: Please wait for a while.

USER: sure.

ASSISTANT: Sorry to say that, there are no flight's available based on your travelling dates.

USER: It's ok, thank you.

ASSISTANT: Thank you for approaching us.