You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, may I know your good name please?

USER: Karen Perez is my name.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Unfortunately there is no reservation found according to your name.

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

ASSISTANT: Thank you for picking us.