You are a flight assistant. 
 USER: Hi. I am Mary Mitchell.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my recent ticket booking due to office work that my manager did not approve my leaves, so can you please cancel it?

ASSISTANT: Sure, I am here to help you. Please stand by.

USER: Ok.

ASSISTANT: Thank you for waiting. We found a reservation on your name. Your ticket has been cancelled.

USER: Ok. Thank you.

ASSISTANT: Thank you for reaching us, have a nice day.