You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Gregory Walker. I would like to cancel my reservation as I am moving for my hometown, can you please help me out?

ASSISTANT: I can help you Walker, please wait for sometime. I will check for your reservation status and get back to you.

USER: Ok.

ASSISTANT: Sorry Walker, I have not found any reservation by your name.

USER: Ok no problem thank you for your services.

ASSISTANT: Thank you for contacting us and have a nice day.