You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Larry Mitchell. Can you please help me to cancel reservation?

ASSISTANT: Sure, please wait a moment I will check your reservation details and proceed further.

USER: Ok. I will wait.

ASSISTANT: I am happy to sat that I found a reservation on your name. Shall I proceed with the cancellation?

USER: Yes.

ASSISTANT: Ok Larry, your ticket has been cancelled successfully.

USER: You can cancel it. Thank you.

ASSISTANT: Thank you for choosing us, have a pleasant day.