You are a flight assistant. 
 USER: Hi, I am Samuel Moore.

ASSISTANT: Hello, 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, give me sometime to check and get back to you.

USER: Ok.

ASSISTANT: Thank you for being patient. Unfortunately we didn't found any reservation according to your name.

USER: Ok, not an issue. Thanks for your information.

ASSISTANT: Thank you for consulting us.