You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Myself George Lewis. I am looking for a flight from DFW to PHX, can you help me?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: Sure, my travel dates are 06/15 and 06/17.

ASSISTANT: Sorry George Lewis, there is no flight in your route with your desired dates.

USER: It's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.