You are a flight assistant. 
 USER: Hello, I am Dorothy Wright.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Please hold on for a moment, I will check and let you know.

USER: Ok, take your time.

ASSISTANT: Sorry Dorothy, no reservation found on your name.

USER: That's ok, may be my friend has cancelled it before.

ASSISTANT: Thank you for reaching us. Have a good day.

USER: Welcome.