You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Owing to an emergency I had to request for this cancellation. Can you please help me to cancel my recent reservation?

ASSISTANT: Sure, may I know your name please?

USER: My name is Rebecca Johnson.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, no reservation found with your name to cancel.

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thanks for opting us.