You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Michael Phillips. Can you please cancel my reservation as my meeting has been postponed?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please, stay online. I will check the previous list and revert to you.

USER: Sure.

ASSISTANT: Thank you for your valuable time. No reservation was found on your name.

USER: No problem. Thank you.

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