You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, What kind of help are you expecting from our side?

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

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

USER: Benjamin Collins here.

ASSISTANT: Ok, Please allow me a moment to check for the previous reservation in our database.

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 choosing us, wish you a great day.