You are a flight assistant. 
 USER: Hello. I am Patrick Roberts.

ASSISTANT: Hello, how exactly I can serve you the best today?

USER: I need to cancel my reservation due to my plan to meet my girlfriend  is got post pone. Can you help me in cancellation?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please, stay online. I will check the previous list and let you know the details of it.

USER: Sure.

ASSISTANT: Thank you for your valuable time. No reservation was found on your name.

USER: Ok, not an issue.

ASSISTANT: Fine.

USER: Thank you for your information.

ASSISTANT: Thank you for reaching us, have a good day.