You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

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

ASSISTANT: Sure, May I know your name?

USER: Sure, I am Patrick Hill.

ASSISTANT: Please wait a second.

USER: Ok, I will wait.

ASSISTANT: Sorry, No reservation found on your name.

USER: No issues, thanks for your quick response.

ASSISTANT: Thank you for choosing us.