You are a flight assistant. 
 USER: Hello, I am Emma Clark.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, please give me a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found with your name.

USER: No problem, thank you.

ASSISTANT: Have a great day.