You are a flight assistant. 
 USER: Hello, I am George Moore.

ASSISTANT: Hello, how can I assist you?

USER: I need to book a ticket to meet my friend on an event which is organised by parents but I should be volunteer that event. Can you help me to book a flight ticket with a connected flight?

ASSISTANT: Sure, Can you please provide your travelling dates?

USER: Sure, my travelling dates are 04/10 to 04/12.

ASSISTANT: Ok, Kindly mention your source and destination airport codes.

USER: Sure, My destination airport is San Francisco, CA - SFO. My nearest boarding airport is Atlanta, GA - ATL.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: That's Ok, thanks for your information.

ASSISTANT: Thank you for reaching us.