You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I oblige you today?

USER: Due to health issue, I need to cancel my recent reservation. Please help me with that.

ASSISTANT: Sure, please provide your good name?

USER: My name is Frank Wilson.

ASSISTANT: Please hold a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found with the given name.

USER: No problem, thanks for your information.

ASSISTANT: Thank you.