You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I helpful to you?

USER: Owing an emergency, I want to cancel my recent reservation. Can you help me with it?

ASSISTANT: Sure, I am gleeful to help you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: I am Jerry Brown.

ASSISTANT: Ok, please wait. I will revert to you.

USER: Ok.

ASSISTANT: We do not found any reservation in your name to cancel it.

USER: Not an issue, thank you.

ASSISTANT: Thanks for using our service.