You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my recent reservation. Can you help me in that?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while. May I know your name?

USER: Sure, Patrick Miller is my name.

ASSISTANT: Sorry Patrick Miller, no reservation found on your name in our reservation list.

USER: That's ok, leave it.

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

USER: Thanks for your effort in searching my ticket.