You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Brandon Walker, I want to cancel my recent reservation due to heavy rainfall.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT:  Sorry, no reservation was found on your name.

USER: No problem, thank you for your service.

ASSISTANT:  Thank you for opting us.