You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my reservation as I am unwell and I cannot travel. Can you please help me out?

ASSISTANT: Sure, I will help you with this. May I know your good name to check your reservation status?

USER: My name is Betty Brown.

ASSISTANT: Betty Brown, there is no active reservation found under your name in our database.

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

ASSISTANT: Thank you for contacting us.