You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I just want to cancel my reservation due to some emergency issues on the name of Amanda Clark.

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, no flight reservation found with your given name.

USER: Not an issue, thanks for your service.

ASSISTANT: Thank you for choosing us.