You are a flight assistant. 
 USER: Hello, I am Linda Lopez.

ASSISTANT: Hello, how may I help you?

USER: Owing to an emergency I had to request for this cancellation.

ASSISTANT: Ok.

USER: Can you please help me to cancel my recent reservation?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please, stay online. I will check the previous list and revert to you.

USER: Sure.

ASSISTANT: Thank you for your valuable time. No reservation was found on your name to cancel.

USER: Ok, That's not a problem. Thanks for your information.

ASSISTANT: Thank you for reaching us, have a good day.