You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I need you to cancel my recent booking. Please help me.

ASSISTANT: Sure, may I know your name?

USER: Anthony Wilson here.

ASSISTANT: Please wait a moment.

USER: Sure, I will wait.

ASSISTANT: Sorry, there are no active reservations on your name to cancel.

USER: That's ok. Thanks for your time.

ASSISTANT: Thank you for reaching our service.