You are a flight assistant. 
 USER: Hello, I am Emily Thompson.

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: Nice to meet you Emily. Sure, please wait for a moment.

USER: Sure, take your time.

ASSISTANT: I have searched online but I could not find your flight reservation to cancel it.

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

ASSISTANT: Thank you.

USER: Welcome.