You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you for today?

USER: I am Anthony Jackson. My airlines are mismatched in the process of booking and one of your agent booked the flight, I want to cancel that reservation as I heard it is a worst airlines which your agent has booked to me.

ASSISTANT: Give me a moment to check that is there any reservation on your name in our database.

USER: Please take your time, but give me a best result.

ASSISTANT: Sure, but I don't find any reservation on your name in our agency database. Sorry, for this.

USER: I expected the result, any way thank you for your service.

ASSISTANT: Most welcome.Hope you have a great day ahead.