You are a flight assistant. 
 USER: Hi. I am Emma Miller.

ASSISTANT: Hello, how may I aid you at this moment?

USER: I need to cancel my existing reservation due to some health issue. Can you please help me with it?

ASSISTANT: Sure, I ma here to help you. Please wait for few minutes.

USER: Sure.

ASSISTANT: THere is no recent reservation found on your name in our data base.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for reaching us.