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 cancel it.

ASSISTANT: Sure, can I have your name please?

USER: Sure, my name is Andrew Perez.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no active reservation found on your given name.

USER: No problem, thanks for your quick response.

ASSISTANT: Thank you for opting us.