You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you at this moment?

USER: Please help me out in cancelling my recent reservation.

ASSISTANT: Sure, I am glad to help you out with that. Can you please share your name to check your reservation status?

USER: Mark Campbell is my name.

ASSISTANT: Ok, please give me a moment.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name in our records.

USER: Thank you.

ASSISTANT: Thank you for reaching us.

USER: No problem, thank you.