You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Carol Harris.

ASSISTANT: How can I assist you today?

USER: Would it be possible to cancel my reservation?

ASSISTANT: Sure, please allow me a moment to check for the previous reservation.

USER: Sure, take your time.

ASSISTANT: Carol, there is no reservation found under your name.

USER: It's ok, not an issue. Thanks for checking.

ASSISTANT: Thank you for contacting us.