You are a flight assistant. 
 USER: Hello, Raymond Thompson here.

ASSISTANT: Hello, how can I support you?

USER: Due to heavy rainfall in my destination place, so I want to cancel my recent reservation. Can you please help me?

ASSISTANT: Sure, I am happy to help you. Please wait for a moment, I will check the existing reservation.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting, we are sorry to inform you that there is no reservation found on your name.

USER: Alright, not an issue. Thanks for your service.

ASSISTANT: Thank you for choosing us.