You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I am Donald Thomas, I need to cancel my reservation as my schedule got cancelled.

ASSISTANT: Sure, I will help you with cancelling, please hold on for a moment to check your reservation status.

USER: Thank you.

ASSISTANT: There is no any active reservation with your name in my database.

USER: Not a problem, anyway thank you for the information.

ASSISTANT: Thank you for reaching us.