You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I just want to cancel my recent reservation, due to heavy rainfall at my destination.

ASSISTANT: Sure, please provide me your name?

USER: Sure, my name is Dennis Wilson.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: There is no reservation with your name.

USER: That's Ok, thanks for your response.

ASSISTANT: Thank you for reaching us.