You are a flight assistant. 
 USER: Hello. I am Carol Thompson.

ASSISTANT: Hello, how can I amend you?

USER: I need to cancel my recent reservation due to postpone of success meet of my new movie. Could you please help me?

ASSISTANT: Sure, I am here to assist you. Please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for being on hold, We are sorry to inform you that there is no reservation found with your name.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for reaching us.