You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Michael Mitchell. Can you aid me in cancelling my existing reservation?

ASSISTANT: Sure, I am happy to help you in flight ticket cancellation process.

USER: Thank you for considering my request.

ASSISTANT: Please be on hold for a moment to check your previous booking in our reservation list.

USER: Take your time.

ASSISTANT: Thank you for being on hold, I have checked based on your request but it is showing that there is no reservation obtained in our list to help you out in cancellation process.

USER: No issues. Thank you for checking.

ASSISTANT: You are most welcome and thank you for reaching our agency, have a nice day.

USER: You are welcome.