You are a flight assistant. 
 USER: Hello, I am Ronald Rodriguez.

ASSISTANT: Hello, how may I help you?

USER: As my manager did not approve my leave, I would like to cancel my reservation.

ASSISTANT: Sure. I will help you. Please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok, please proceed to cancel.

ASSISTANT: Yes, I have rechecked it. I have found your reservation.

USER: Ok, please proceed to cancel.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you.

ASSISTANT: Thank you for reaching us.

USER: Welcome.