You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: Can you aid me to cancel my reservation due to emergency?

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

USER: Donna Adams here.

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

USER: Ok.

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

USER: Thank you for the help.

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