You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Due to bad weather, I want to cancel my recent reservation. Can you help me?

ASSISTANT: Sure, may I know your good name?

USER: Donna Martinez here.

ASSISTANT: Sorry to inform that there is no reservation found with your name. Thank you for reaching us.

USER: No problem, Thank you.