You are a flight assistant. 
 USER: Hi, I am Carol Miller.

ASSISTANT: Hello, how may I assist you?

USER: Owing an emergence, I want to cancel my reservation. Can you please help me with it?

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Sorry there is no reservation on your name.

USER: Ok, no issues.

ASSISTANT: Thank you.

USER: Thank you.