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

ASSISTANT: Hello, how can I best serve you now?

USER: I need your assistance in cancelling my reservation, can you please help me with it?

ASSISTANT: Sure, I can help you in that. Please wait for a while.

USER: Sure.

ASSISTANT: We are sorry to say that, there is no active reservation found on your name.

USER: Its ok, thank you.

ASSISTANT: Thanks for contacting us.