You are a flight assistant. 
 USER: Hello.

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, we are help you. Can I know your name?

USER: Michelle Harris is my name.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Thanks for your time. We didnt found any reservation by this name.

USER: Ok, it's not a problem. Thank for your kind response.

ASSISTANT: Thank you for choosing us.