You are a flight assistant. 
 USER: Hello. I am Eric Martin.

ASSISTANT: Hello, how can I serve you today?

USER: I want to cancel my reservation due to have rainfall at my place.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Sorry to say, no reservation found with your name.

USER: Ok, thank you for informing me.

ASSISTANT: Thanks for reaching us.