You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

USER: Owing to an emergency, I need to cancel my reservation. Will you please help me with this?

ASSISTANT: Sure, may I know your name please?

USER: I am Carol Anderson.

ASSISTANT: Wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, we did not find any active reservation in your name to cancel.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for reaching us.