You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Gregory Phillips. I would like to cancel my recent reservation due to my business meeting has got postponed. Can you help me?

ASSISTANT: Sure, I am willing to help you.

USER: Thank you.

ASSISTANT: Please stand by I will get back to you.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry to say no reservation found on your name.

USER: Ok, no problem.

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

USER: Thank you for your help.