You are a flight assistant. 
 USER: Hi. I am Patrick Collins.

ASSISTANT: Hello, how can I aid you today?

USER: Can you help me in cancelling my recent reservation, as my exam is preponed?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

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

USER: That's ok, thank you.

ASSISTANT: Thank you for approaching us.