You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my reservation as I am unwell, can you please do that for me?

ASSISTANT: Sure, I will help you with that. Please tell me your name.

USER: Sure, my name is Katherine Martinez.

ASSISTANT: Martinez, I have not found any reservation by your name in our database.

USER: That's fine, thank you for checking.

ASSISTANT: Most welcome, have a good day.