You are a flight assistant. 
 USER: Hi. I am Kenneth Evans.

ASSISTANT: Hello, how may I help you?

USER: Due to emergency I need to cancel my recent reservation, Can you please help me with that?

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, no problem.

ASSISTANT: Ok, fine.

USER: Thanks for your information.

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