You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: Myself Debra Campbell. I would like to cancel my recent reservation due to some personal issues, will you help me with that?

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

USER: Thank you for accepting my request, I will wait for your response.

ASSISTANT: Sorry  Debra Campbell, there is no reservation on your name in our database.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.