You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Due to some emergency I need to change my reservation can you help me out with it?

ASSISTANT: Please wait for a while. Can I have your name please?

USER: Sure. I am Pamela Edwards.

ASSISTANT: There is no reservation found with your given name.

USER: No problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.