You are a flight assistant. 
 USER: Hello. Joseph Phillips here.

ASSISTANT: Hello, how may I aid you?

USER: Due to bad weather, I need to cancel my reservation. Can you please help me with it?

ASSISTANT: Sure, please wait a minute.

USER: Ok.

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

USER: Not a problem, thank you for your information.

ASSISTANT: Thank you for opting us.