You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Myself Brenda Allen, my friend had invited me to his house at Atlanta. Can you book a flight from PHL to ATL?

ASSISTANT: Sure Allen, I will help you out. Please provide me your trip dates.

USER: Ok, my travel date is on 06/10 and the return is 06/12.

ASSISTANT: Sorry Allen, there is no flight in your route.

USER: Ok, no problem. Thank you for assisting.

ASSISTANT: Thank you for reaching us.