You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Debra Evans.

ASSISTANT: How may I aid you?

USER: I need to amend my reservation due to some crisis going in my destination, can you help me out?

ASSISTANT: Sure, I am glad to help you. Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that, there are no reservation found on your name.

USER: That's ok, not an issue. Thank you for your information.

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