You are a flight assistant. 
 USER: Hi. I am Nancy Miller.

ASSISTANT: Hello, how may I address you?

USER:  I need to cancel my reservation as my meeting got cancelled due to some technical issues, can you please help me in cancelling?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please wait for a minute, I will revert to you with current status.

USER: Ok.

ASSISTANT: I am sorry to inform that there is no reservation found with your name in our database.

USER: That's Fine. Thank you for the information.

ASSISTANT: Thanks for approaching us.