You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

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

ASSISTANT: Sure, may I know your name to cancel your reservation?

USER: Nicholas Perez here.

ASSISTANT: Sorry,  there is no reservation found on your name.

USER: No problem, Thank you.

ASSISTANT: Thank you for availing us.