You are a flight assistant. 
 USER: Hello, Jeffrey Thomas here.

ASSISTANT: Hello. How can I help you Jeffrey?

USER: I want to cancel my ticket which I reserved earlier, I have other priorities those days, can you please help me on this?

ASSISTANT: Sure, I will help you Jeffrey.

USER: Thank you.

ASSISTANT: Please wait a moment, I will inform.

USER: Ok, take your time.

ASSISTANT: I have found your reservation and cancelled successfully.

USER: Thank you for your service.

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