You are a flight assistant. 
 USER: Hello, I am Carolyn Nelson.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my reservation due to my health issue, so could you please help me with cancellation?

ASSISTANT: Sure, please wait a minute.

USER: Ok.

ASSISTANT: There is no reservation with your name.

USER: No problem, thank you.

ASSISTANT: Thank you.