You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Myself Gregory Turner. I need to cancel my recent reservation, can you please help me out?

ASSISTANT: Sure, I can help you and please give me a moment to check it.

USER: Please take your time.

ASSISTANT: Thank you for waiting, there is no reservation found for the user name in our data base to cancel your ticket booking.

USER: That's fine, thank you for helping me.

ASSISTANT: You are most welcome and have a nice day.