You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Due to the sudden change in climate, my FIFA tournament has been cancelled. So I want you to cancel my existing reservation?

ASSISTANT: Ok,please let me know your good name?

USER: Sure, I has a recent reservation with name Robert King.

ASSISTANT: Thanks for providing your name, no reservation exists with your name.

USER: Ok, no issues. Thanks for your help.

ASSISTANT: Thanks for approaching us.