You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, kindly share your name.

USER: Sure, my name is John Hall.

ASSISTANT: Please wait a moment.

USER: Sure.

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

USER: No worries, thank you.

ASSISTANT: Thanks for reaching us.