You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am William Campbell, I need to cancel my reservation, as my football match got cancelled. Please help me in cancelling?

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to say, no reservation found with your name.

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

ASSISTANT: Thanks for reaching us.