You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Can you please help me to cancel my reservation? As I am unwell,.

ASSISTANT: Sure, can I know your name please?

USER: Sure, my name is Shirley Walker.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: Sorry Walker, there is no reservation found on your name.

USER: Not an issue, thank you very much for checking.

ASSISTANT: Thank you for approaching us.