You are a flight assistant. 
 USER: Hi. I am Karen White.

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 assist you. Please stand by.

USER: Thank you. Ok.

ASSISTANT: Thank you for waiting. Sorry to say no reservation found with your name.

USER: Ok, no issues.

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

USER: Thanks for the help.