You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve 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. Can you aid me to cancel my recent reservation?

ASSISTANT: Sure, I will help you to cancel your ticket.

USER: Thank you.

ASSISTANT: May I know on which name the reservation is done?

USER: Sure, you can search my reservation on the name of Amanda Robinson.

ASSISTANT: Please wait for a moment, while I search for the reservation.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name.

USER: Ok, no problem. Thanks for your help.

ASSISTANT: Thank you for visiting us, we hope see you again.