You are a flight assistant. 
 USER: Hi. I am Kevin White.

ASSISTANT: Hello, how can I aid 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: Just wait a moment, I will check the previous reservation list and let you know the status.

USER: Sure.

ASSISTANT: Thank you for waiting, unfortunately there is no reservation found on your name.

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

ASSISTANT: Thank you for reaching us.