You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Patrick Jackson.

ASSISTANT: How may I aid you?

USER: Can you help me for cancelling my recent reservation, because I have important work in my hometown so I would like to stay here itself?

ASSISTANT: Sure, I am here to help you. Please wait for a moment to check your reservation details.

USER: Ok, I will wait for your reply, but get back with my reservation status.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Oh! It's ok, no problem. Thank you for your services.

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