You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, What kind of help are you expecting from our side?

USER: I need to cancel my reservation due to sudden change in my exisisting plan, can you please aid me?

ASSISTANT: Sure, I am here to help you out with that.

USER: Thank you.

ASSISTANT: On which name your previous flight ticket has been reserved?

USER: Kevin Williams here.

ASSISTANT: Ok, wait for some time I will check the reservation on your name and get back to you.

USER: Sure.

ASSISTANT: We are sorry to say that, there is no active reservation found on your name.

USER: Not an issue, thank you for helping me.

ASSISTANT: Thanks for reaching us, wish you a great day.