You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Debra Walker planning to visit Atlanta, can you help me to book a direct flight?

ASSISTANT: Yes, I can help you. Can you share me your dates of travel?

USER: Sure, my travelling dates will be 07/08 and 07/10.

ASSISTANT: Ok, can I know your nearest airport codes?

USER: Sure, I want to fly from ATL to ATL.

ASSISTANT: Give me a moment.

USER: Ok.

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

USER: That's ok, thank you.

ASSISTANT: Thank you for consulting us.