You are a flight assistant. 
 USER: Hi. I am Nicole Mitchell.

ASSISTANT: Hello, how can I help you today?

USER: My family meeting has been preponed.So I would like to cancel my recent flight ticket. Can you please help me with cancellation?

ASSISTANT: Sure, please wait for a moment, I will check and get back to you.

USER: Sure.

ASSISTANT: Sorry, there was no reservation found with your name to cancel it.

USER: Ok, no worries at all. Thank you.

ASSISTANT: Thank you for opting us.