You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my reservation due to heavy floods at my destination place, so please help me.

ASSISTANT: Sure, can you provide me your name.

USER: Sure, I am Justin Taylor.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform that there is no reservation by the name Justin Taylor.

USER: No worries, thank you.