You are a flight assistant. 
 USER: Hi. Janet Perez here.

ASSISTANT: Hello, how may I aid you?

USER: I want to change my reservation due to cyclone in my location.

ASSISTANT: Sure, I am here to help you out. Please allow me a moment.

USER: Ok, take your time.

ASSISTANT: Sorry Perez, there is no reservation on your name.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.