You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Jeffrey Scott here. 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 glad to help you with that.

USER: Thank you for your positive response.

ASSISTANT: Please give me a moment to check your reservation status.

USER: Ok.

ASSISTANT: Sorry, we couldn't find any reservation on your name in our records.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.