You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Charles Adams.

ASSISTANT: Glad to meet you, Adams.

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

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry Adams, there is no reservation found as per your name in your database to cancel.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for contacting us.