You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Debra Harris. Owing to an emergency, I want to cancel my reservation. Could you help me in the cancellation?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, no flight reservation found with your requested details.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for opting us.