You are a flight assistant. 
 USER: Hi. I am Sharon Jackson.

ASSISTANT: Hello, how may I help you?

USER: Can you cancel my recent reservation, which I have done with my name?

ASSISTANT: I am here to help you, hold on a moment please.

USER: Sure, take your own time.

ASSISTANT: Sorry, there is no reservation found on your name to cancel it.

USER: It's ok, thanks for checking.

ASSISTANT: Thanks for reaching us.