You are a flight assistant. 
 USER: Hello, I am Debra Harris.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me in cancelling my recent reservation as my meeting got cancelled?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.