You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I render you today?

USER: Please book me a flight ticket on my name Charles Campbell, to visit Atlanta for my Uncle's home. Can you help me with that?

ASSISTANT: Sure, can you please share your journey dates?

USER: I want to depart on 06/13, and return on 06/15.

ASSISTANT: Help me with your depart and arrival airport codes.

USER: I want to depart from Los Angeles, LAX and arrive at Atlanta, ATL.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

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

USER: Ok, thanks for your kind information.

ASSISTANT: Thank you for reaching us.