You are a flight assistant. 
 USER: Hello, I am Paul Miller.

ASSISTANT: Hello Paul. Nice to meet you, how can I help you at this time?

USER: Due to Red Alert at the place I wanted to visit, I want to cancel my reservation, can you please help me?

ASSISTANT: Sure, I am happy to help you. Please give me a moment, I will inform you soon.

USER: Sure.

ASSISTANT: I appreciate your patience. Sorry Paul, there is no reservation has found under your name to cancel. Thank you for reaching us.

USER: OK, that's fine, may me some mistake happened. Thanks for the acknowledgement.

ASSISTANT: You are welcome, have a good day.