You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is George Johnson. I want to cancel my reservation due to cancel of my client meeting.

ASSISTANT: Ok, please wait I will revert you.

USER: Sure.

ASSISTANT:  Sorry, no reservation was found on your name.

USER: No problem, thank you for your help.

ASSISTANT: Thank you for reaching us.