You are a flight assistant. 
 USER: Hi. Carolyn White here.

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my recent reservation due to postpone of my plans. Can you help me in that?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

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

USER: Ok, not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.