You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Shirley Johnson.

ASSISTANT: How can I help you at this moment?

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

ASSISTANT: Sure, I will help you with that. Please wait a moment, I will check your previous reservation status.

USER: Sure, take your time.

ASSISTANT: There is no previous reservation available under your name.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for reaching us.