You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Timothy Lee. I would like to conduct a sports festival at Atlanta. Can you help me in my booking?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your source point and destination point?

USER: My source airport code is San Francisco, CA - SFO. My destination is Atlanta, GA - ATL.

ASSISTANT: Let me know when you are willing to travel?

USER: I will start my journey on 12/15. I will return on 12/17.

ASSISTANT: Ok, wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: Not an issue. Thank you for your quick response.

ASSISTANT: Thanks for approaching us.