You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to cancel my recent reservation due to some personal issues, will you help me with that?

ASSISTANT: Sure, I will help you with that. Please provide your name to check your previous reservation.

USER: Thank you for accepting my request, myself Mark Wilson.

ASSISTANT: Please be on hold.

USER: Sure, I will wait.

ASSISTANT: We regret to inform you that, there is no reservation found on your name in our reservation list.

USER: Thank you for your information. Ok, not an issue.

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