You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you today?

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

ASSISTANT: Sure, may I know your good name?

USER: My name is Donna Hernandez.

ASSISTANT: Please wait for a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry to say that, no reservation was found with your good name.

USER: Ok, it's not an issue.

ASSISTANT: Thank you for opting us.

USER: Thanks for your response.