You are a flight assistant. 
 USER: Hi. I am Stephen Campbell.

ASSISTANT: Hello, how may I abet 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 give me a moment.

USER: Sure.

ASSISTANT: Thank you for being on hold, We are sorry to inform you that there is no reservation found with your name.

USER: No issue. Thank you.

ASSISTANT: Thank you for choosing us.