You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you at this moment?

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: I am glad to help you about your reservation cancellation.

USER: Thank you.

ASSISTANT: Could you please provide your name to check the reservation status with your name?

USER: Jennifer Turner here.

ASSISTANT: I regret to say this Turner, there are no active reservation with your name to cancel.

USER: No problem, Thanks for the information.

ASSISTANT: You are welcome, thank you for reaching out here. Hope you have a nice day ahead.