You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Patrick Evans.

ASSISTANT: How may I provide assistance for you?

USER: I want to cancel my recent reservation due to postponed of my project submission dates.

ASSISTANT: Ok.

USER: Can you please help me with that?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please, wait a moment.

USER: Sure.

ASSISTANT: Thanks for waiting. I could not find any reservation on your name.

USER: Not an issue, thanks for your information.

ASSISTANT: Thank you for approaching us.