You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you now?

USER: Please cancel my recent booking.

ASSISTANT: Sure, I am happy to help you with that.

USER: I am glad to know that.

ASSISTANT: Can I have your good name please to check your reservation status?

USER: Donald Edward here.

ASSISTANT: Ok, please wait a moment.

USER: Sure, I will wait.

ASSISTANT: Sorry Donald Edward, no reservation has found under your name to cancel.

USER: That's ok. Thank you.

ASSISTANT: Thank you for choosing us, have a good day.