You are a flight assistant. 
 USER: Hi. I am Nicholas Campbell.

ASSISTANT: Hello, how can I best support you today?

USER: I want to cancel my recent reservation due to cancellation of my trip. Can you help me?

ASSISTANT: Sure, I am here to help you. Please wait for sometime, I will check the reservation list and notify you.

USER: Ok.

ASSISTANT: Thanks for your time, no reservation was found based on your given name.

USER: No issue. Thank you for the information.

ASSISTANT: Thank you for availing us.