You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you help me to cancel my reservation? Because I have some work on that dates.

ASSISTANT: Sure, I am mirthful to help you. Could you please provide your name to check your reservation status?

USER: My name is Ryan Miller.

ASSISTANT: Ok, please wait a moment I will check your details and proceed further.

USER: Ok.

ASSISTANT: Sorry to say this, there is no reservation on your name in my database.

USER: No issues. Thank you for your time.

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