You are a flight assistant. 
 USER: Hello, I am Thomas Wright.

ASSISTANT: Hello, Thomas. How can I aid 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, just give me a moment to check your details.

USER: Ok.

ASSISTANT: Thomas, there is no reservation found on your name to cancel.

USER: No problem, Thank you.

ASSISTANT: Thank you for reaching us.