You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Mark Jones.

ASSISTANT: How can I aid you?

USER: I need to cancel my reservation, can you help me out please?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT:  Mark Jones, we found your reservation under your name. Shall I proceed to cancel it?

USER: Please proceed with it.

ASSISTANT: Your ticket is cancelled successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.