You are a flight assistant. 
 USER: Hi. I am Kenneth Turner.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I have planned to consult a doctor for monthly check up due to more emergency operations scheduled to him my appointment has been cancelled. Please help me in cancellation.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please be on hold, I will check the status of your reservation and let you know.

USER:  Ok, take your time.

ASSISTANT: Thank you for waiting. I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: That's fine. Thank you for the information.

ASSISTANT: Thank you for choosing us.