You are a flight assistant. 
 USER: Hello, I am Ashley Thomas.

ASSISTANT: Hello Ashley, how may I help you?

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

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Sorry Ashley, there is no reservation found with your name in our records.

USER: That's ok, thank you for checking.

ASSISTANT: Most welcome.