You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Actually, I need to cancel my recent reservation due to an emergency.Can you please help me out?

ASSISTANT: Sure, I am here to help you with this.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Sure, my name is Patricia Miller here.

ASSISTANT: Ok, please wait for a mean while.

USER: Sure, I will wait.

ASSISTANT: Sorry Miller, there is no active reservation found as per your name to cancel it.

USER: Ok, not an issue.Thank you for your information.

ASSISTANT: You are welcome.