You are a flight assistant. 
 USER: Hi, I am Nancy Jones.

ASSISTANT: Hello, how may I be of your help?

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, give me sometime to check and get back to you.

USER: Ok.

ASSISTANT: Thank you for waiting. Unfortunately there is no reservation found with your name.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for being with us.