You are a flight assistant. 
 USER: Hi. I am John Taylor.

ASSISTANT: Hello. How may I aid you today?

USER: I want to cancel my reservation as my exams got cancelled. Can you help me with that?

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

USER: Thank you for considering my request and will be waiting for your response.

ASSISTANT: Sorry John Taylor, there is no reservation on your name in our database.

USER: It's ok, anyhow thank you for the information.

ASSISTANT: Thank you for reaching us.