You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you now?

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

ASSISTANT: Sure, I can help you in that.

USER: Thank you.

ASSISTANT: On which name your previous flight ticket has been reserved?

USER: On my name, Christine Green.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, I will wait.

ASSISTANT: We are sorry to say that, there is no active reservation found on your name.

USER: That's ok. Thank you.

ASSISTANT: Thanks for approaching us, wish you a great day.