You are a flight assistant. 
 USER: Hello, Gregory Walker here.

ASSISTANT: Hello, how can I help you?

USER: I am planning to go for an adventures trip at Atlanta, so can you please help me with booking a direct flight?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please provide me your planned trip dates.

USER: Sure, my planned travelling dates are 09/02 and 09/04.

ASSISTANT: Ok, can you please help me with the airport code of Atlanta?

USER: Yes, it is GA-ATL.

ASSISTANT: Ok, let me know your source point.

USER: Sure, my source code is Boston, MA-BOS.

ASSISTANT: Ok, please wait a moment. I will check the availability of flights and revert to you.

USER: Ok, take your time.

ASSISTANT: Sorry to inform you that there is no flight available on your dates.

USER: Ok, no problem. Thank you for the response.

ASSISTANT: Thank you for choosing us.