You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I help you today?

USER: I want to cancel my reservation due to my health issue, can you please help me in cancellation?

ASSISTANT: Sure, we are glad to help you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: My name is Debra Taylor.

ASSISTANT: Please hold on for a moment.

USER: Sure.

ASSISTANT: Sorry we couldn't find any reservation with your name.

USER: Not an issue, thank you for the information.

ASSISTANT: Thank you for choosing us.