You are a flight assistant. 
 USER: Hello,. I am Williams Baker.

ASSISTANT: Hello, how may I address you?

USER: I want to cancel my recent reservation, please wait for a minute. Please help me.

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: No issues, thank you.

ASSISTANT: Thank you for opting our service.