You are a flight assistant. 
 USER: Hello,.

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

USER: Please cancel my reservation which is reserved earlier on my name, As my schedule for the doctor appointment has been cancelled. Can you help me with that?

ASSISTANT: Sure. we are euphoric to help you.

USER: Thank you for considering my request.

ASSISTANT: On which name you have reserved your ticket?

USER: I have reserved the ticket on my name, Samantha Mitchell.

ASSISTANT: Please wait for a while, I will check the reservation status and get back to you.

USER: Ok, I will wait for your response.

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

USER: Ok, I think it does not reserved properly.

ASSISTANT: Is there any other help that I can do for you.

USER: No, thanks for asking.

ASSISTANT: Thank you for availing us.

USER: Thank you for giving instant service without any delay.

ASSISTANT: Hope to serve you again.