You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Debra Roberts.

ASSISTANT: How can I help you?

USER: I was fallen ill due to which I would like to cancel my reservation. Can you help me with it?

ASSISTANT: Sure, just a second please.

USER: Ok.

ASSISTANT: I am sorry no reservation found on your name Mr.Debra Roberts.

USER: That's fine. Thank you for your support.

ASSISTANT: Thank you for reaching us.