You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I would like to cancel my flight reservation as I am sick, can you please help me?

ASSISTANT: Sure, I would be happy to help you with that.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: My name is Brenda Mitchell.

ASSISTANT: I am sorry to say that there is no reservation found under your name.

USER: Not an issue. Anyway, thank you for checking.

ASSISTANT: Thank you for reaching us.