You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: My name is Paul Green, can you help me amend my reservation which I had done a week ago?

ASSISTANT: Sure, please wait for a moment.

USER: Ok, please take your own time.

ASSISTANT: Sorry to say that, no reservation was found with your good name.

USER: Ok, that is not a problem. I will check my mails to know more about my reservation status. Anyways thank you for assisting me.

ASSISTANT: Thank you for reaching us.