You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Mary Gonzalez. Can you help me with the cancellation of my existing reservation as I can not make my trip?

ASSISTANT: Sure Mary, I am here to help you out. Please allow me a moment.

USER: Ok, I will wait.

ASSISTANT: Sorry Mary, there is no active reservation on your name.

USER: That's ok, thank you for assisting me.

ASSISTANT: Thank you for reaching us.