You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I respond to your request?

USER: Can you help me to cancel my reservation?

ASSISTANT: Sure, I can cancel your reservation right now. Before that I need to know your good name please?

USER: I am Sharon Hall.

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

USER: Sure.

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

USER: No problem, thank you for checking.

ASSISTANT: Thanks for approaching us, wish you a great day.