You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you?

USER: I am Raymond Baker. Can you please help me in booking a flight ticket to reach Atlanta, ATL?

ASSISTANT: Sure, I can help in that booking, please provide your dates Baker.

USER: Ok, my travelling dates are 08/14 and 08/16.

ASSISTANT: Can you confirm your source region to find the flight?

USER: My source airport code is PHX.

ASSISTANT: Thank you for your information.

USER: Welcome.

ASSISTANT: I am sorry that, there are no flights that are moving to your landing region.

USER: It's ok, anyway's thank you for checking to the flight.

ASSISTANT: It's my pleasure.