You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you for the day?

USER: Due to sudden change in my plan, I want to cancel my recent reservation. Can you help me in that?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can I have your good name to check your reservation?

USER: Sure, Nancy Wilson is my name.

ASSISTANT: Thanks for your name, please standby.

USER: Sure.

ASSISTANT: Sorry, we could not find any reservation on your name.

USER: Not an issue. Thanks for your help.

ASSISTANT: Thank you for opting us.