You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Due heavy rainfall at my place I am unable to travel, so please help me to cancel my reservation?

ASSISTANT: May I know your name to check your reservation?

USER: My name is Joseph Moore.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: I found your reservation with your name and I have cancelled it.

USER: Ok, thank you very much.

ASSISTANT: Thanks for reaching us.